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70328216 = 2371255861
BaseRepresentation
bin1000011000100…
…01111110011000
311220100001011202
410030101332120
5121001000331
610551213332
71512531350
oct414217630
9156301152
1070328216
11367756a2
121b677248
131175503a
1494a9b60
156292ecb
hex4311f98

70328216 has 16 divisors (see below), whose sum is σ = 150703440. Its totient is φ = 30140640.

The previous prime is 70328213. The next prime is 70328233. The reversal of 70328216 is 61282307.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70328213) 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, 627875 + ... + 627986.

It is an arithmetic number, because the mean of its divisors is an integer number (9418965).

Almost surely, 270328216 is an apocalyptic number.

It is an amenable number.

70328216 is an abundant number, since it is smaller than the sum of its proper divisors (80375224).

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

70328216 is a wasteful number, since it uses less digits than its factorization.

70328216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255874 (or 1255870 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 70328216 is about 8386.1919844468. The cubic root of 70328216 is about 412.7716552809.

The spelling of 70328216 in words is "seventy million, three hundred twenty-eight thousand, two hundred sixteen".

Divisors: 1 2 4 7 8 14 28 56 1255861 2511722 5023444 8791027 10046888 17582054 35164108 70328216