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1345968 = 243213719
BaseRepresentation
bin101001000100110110000
32112101022200
411020212300
5321032333
644503200
714304051
oct5104660
92471280
101345968
1183a278
1254ab00
13381840
14270728
151b8c13
hex1489b0

1345968 has 60 divisors (see below), whose sum is σ = 4062240. Its totient is φ = 413568.

The previous prime is 1345957. The next prime is 1345973. The reversal of 1345968 is 8695431.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 1 + 312 + 42 + 55 + 96 + 67 + 8 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1513 + ... + 2231.

It is an arithmetic number, because the mean of its divisors is an integer number (67704).

21345968 is an apocalyptic number.

1345968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1345968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2031120).

1345968 is an abundant number, since it is smaller than the sum of its proper divisors (2716272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1345968 is a wasteful number, since it uses less digits than its factorization.

1345968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746 (or 737 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 1345968 is about 1160.1586098461. The cubic root of 1345968 is about 110.4108054956.

The spelling of 1345968 in words is "one million, three hundred forty-five thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 36 39 48 52 72 78 104 117 144 156 208 234 312 468 624 719 936 1438 1872 2157 2876 4314 5752 6471 8628 9347 11504 12942 17256 18694 25884 28041 34512 37388 51768 56082 74776 84123 103536 112164 149552 168246 224328 336492 448656 672984 1345968