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70243532 = 22195991543
BaseRepresentation
bin1000010111111…
…01010011001100
311220011202000022
410023331103030
5120440243112
610545321312
71512026432
oct413752314
9156152008
1070243532
1136718007
121b636238
1311725628
149486d52
156277d72
hex42fd4cc

70243532 has 24 divisors (see below), whose sum is σ = 129696000. Its totient is φ = 33196176.

The previous prime is 70243531. The next prime is 70243543. The reversal of 70243532 is 23534207.

It is not an unprimeable number, because it can be changed into a prime (70243531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44753 + ... + 46295.

It is an arithmetic number, because the mean of its divisors is an integer number (5404000).

Almost surely, 270243532 is an apocalyptic number.

It is an amenable number.

70243532 is a deficient number, since it is larger than the sum of its proper divisors (59452468).

70243532 is a wasteful number, since it uses less digits than its factorization.

70243532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2165 (or 2163 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 70243532 is about 8381.1414497072. The cubic root of 70243532 is about 412.6059124427.

Adding to 70243532 its reverse (23534207), we get a palindrome (93777739).

The spelling of 70243532 in words is "seventy million, two hundred forty-three thousand, five hundred thirty-two".

Divisors: 1 2 4 19 38 76 599 1198 1543 2396 3086 6172 11381 22762 29317 45524 58634 117268 924257 1848514 3697028 17560883 35121766 70243532