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70039256 = 2371250701
BaseRepresentation
bin1000010110010…
…11011011011000
311212210100210112
410023023123120
5120412224011
610541103452
71510216040
oct413133330
9155710715
1070039256
1136598591
121b557b88
1311683661
149432720
15623758b
hex42cb6d8

70039256 has 16 divisors (see below), whose sum is σ = 150084240. Its totient is φ = 30016800.

The previous prime is 70039253. The next prime is 70039271. The reversal of 70039256 is 65293007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70039253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 625295 + ... + 625406.

It is an arithmetic number, because the mean of its divisors is an integer number (9380265).

Almost surely, 270039256 is an apocalyptic number.

It is an amenable number.

70039256 is an abundant number, since it is smaller than the sum of its proper divisors (80044984).

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

70039256 is a wasteful number, since it uses less digits than its factorization.

70039256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250714 (or 1250710 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 70039256 is about 8368.9459312389. The cubic root of 70039256 is about 412.2055561438.

The spelling of 70039256 in words is "seventy million, thirty-nine thousand, two hundred fifty-six".

Divisors: 1 2 4 7 8 14 28 56 1250701 2501402 5002804 8754907 10005608 17509814 35019628 70039256