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70044372 = 22332692411
BaseRepresentation
bin1000010110011…
…00101011010100
311212210121211000
410023030223110
5120412404442
610541143300
71510236666
oct413145324
9155717730
1070044372
11365a1412
121b55ab30
1311685a98
149434536
156238d4c
hex42ccad4

70044372 has 48 divisors (see below), whose sum is σ = 182347200. Its totient is φ = 23251680.

The previous prime is 70044371. The next prime is 70044383. The reversal of 70044372 is 27344007.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70044371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27847 + ... + 30257.

It is an arithmetic number, because the mean of its divisors is an integer number (3798900).

Almost surely, 270044372 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 70044372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91173600).

70044372 is an abundant number, since it is smaller than the sum of its proper divisors (112302828).

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

70044372 is a wasteful number, since it uses less digits than its factorization.

70044372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2693 (or 2685 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 70044372 is about 8369.2515794425. The cubic root of 70044372 is about 412.2155923834.

Adding to 70044372 its reverse (27344007), we get a palindrome (97388379).

The spelling of 70044372 in words is "seventy million, forty-four thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 269 538 807 1076 1614 2411 2421 3228 4822 4842 7233 7263 9644 9684 14466 14526 21699 28932 29052 43398 65097 86796 130194 260388 648559 1297118 1945677 2594236 3891354 5837031 7782708 11674062 17511093 23348124 35022186 70044372