Search a number
-
+
70132288 = 2610310639
BaseRepresentation
bin1000010111000…
…10001001000000
311212222002102011
410023202021000
5120423213123
610543102304
71511054212
oct413421100
9155862364
1070132288
1136651476
121b5a1994
13116b6ac5
1494585b2
156254e0d
hex42e2240

70132288 has 28 divisors (see below), whose sum is σ = 140533120. Its totient is φ = 34722432.

The previous prime is 70132277. The next prime is 70132289. The reversal of 70132288 is 88223107.

It is a super-2 number, since 2×701322882 = 9837075640229888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70132289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1273 + ... + 11911.

It is an arithmetic number, because the mean of its divisors is an integer number (5019040).

Almost surely, 270132288 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70132288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70266560).

70132288 is an abundant number, since it is smaller than the sum of its proper divisors (70400832).

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

70132288 is a wasteful number, since it uses less digits than its factorization.

70132288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10754 (or 10744 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 70132288 is about 8374.5022538656. The cubic root of 70132288 is about 412.3879840319.

The spelling of 70132288 in words is "seventy million, one hundred thirty-two thousand, two hundred eighty-eight".

Divisors: 1 2 4 8 16 32 64 103 206 412 824 1648 3296 6592 10639 21278 42556 85112 170224 340448 680896 1095817 2191634 4383268 8766536 17533072 35066144 70132288