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70572470 = 257057247
BaseRepresentation
bin1000011010011…
…01100110110110
311220210110020012
410031031212312
5121031304340
611000340222
71514566433
oct415154666
9156713205
1070572470
1136922161
121b774672
131180c277
149530b8a
1562e0565
hex434d9b6

70572470 has 8 divisors (see below), whose sum is σ = 127030464. Its totient is φ = 28228984.

The previous prime is 70572449. The next prime is 70572497. The reversal of 70572470 is 7427507.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3528614 + ... + 3528633.

It is an arithmetic number, because the mean of its divisors is an integer number (15878808).

Almost surely, 270572470 is an apocalyptic number.

70572470 is a deficient number, since it is larger than the sum of its proper divisors (56457994).

70572470 is a wasteful number, since it uses less digits than its factorization.

70572470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7057254.

The product of its (nonzero) digits is 13720, while the sum is 32.

The square root of 70572470 is about 8400.7422291129. The cubic root of 70572470 is about 413.2489631529.

Adding to 70572470 its reverse (7427507), we get a palindrome (77999977).

The spelling of 70572470 in words is "seventy million, five hundred seventy-two thousand, four hundred seventy".

Divisors: 1 2 5 10 7057247 14114494 35286235 70572470