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70235392 = 28274357
BaseRepresentation
bin1000010111110…
…11010100000000
311220011022211211
410023323110000
5120440013032
610545215504
71511663623
oct413732400
9156138754
1070235392
1136711987
121b631594
1311721a06
149483dba
156275747
hex42fb500

70235392 has 18 divisors (see below), whose sum is σ = 140196938. Its totient is φ = 35117568.

The previous prime is 70235317. The next prime is 70235413. The reversal of 70235392 is 29353207.

It can be written as a sum of positive squares in only one way, i.e., 69488896 + 746496 = 8336^2 + 864^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136923 + ... + 137434.

Almost surely, 270235392 is an apocalyptic number.

It is an amenable number.

70235392 is a deficient number, since it is larger than the sum of its proper divisors (69961546).

70235392 is an equidigital number, since it uses as much as digits as its factorization.

70235392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274373 (or 274359 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 70235392 is about 8380.6558215930. The cubic root of 70235392 is about 412.5899738845.

Adding to 70235392 its reverse (29353207), we get a palindrome (99588599).

The spelling of 70235392 in words is "seventy million, two hundred thirty-five thousand, three hundred ninety-two".

Divisors: 1 2 4 8 16 32 64 128 256 274357 548714 1097428 2194856 4389712 8779424 17558848 35117696 70235392