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4989726 = 23271992
BaseRepresentation
bin10011000010001100011110
3100101111121200
4103002030132
52234132401
6254540330
760261210
oct23021436
910344550
104989726
1128a8945
1218076a6
131059201
1493c5b0
15688686
hex4c231e

4989726 has 36 divisors (see below), whose sum is σ = 12417912. Its totient is φ = 1418472.

The previous prime is 4989713. The next prime is 4989757. The reversal of 4989726 is 6279894.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 24975 + ... + 25173.

It is an arithmetic number, because the mean of its divisors is an integer number (344942).

Almost surely, 24989726 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4989726, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6208956).

4989726 is an abundant number, since it is smaller than the sum of its proper divisors (7428186).

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

4989726 is a wasteful number, since it uses less digits than its factorization.

4989726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413 (or 211 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 4989726 is about 2233.7694599040. The cubic root of 4989726 is about 170.8803924027.

The spelling of 4989726 in words is "four million, nine hundred eighty-nine thousand, seven hundred twenty-six".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 199 398 597 1194 1393 1791 2786 3582 4179 8358 12537 25074 39601 79202 118803 237606 277207 356409 554414 712818 831621 1663242 2494863 4989726