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70472275 = 526742073
BaseRepresentation
bin1000011001101…
…01001001010011
311220121100210021
410030311021103
5121020103100
610554244311
71514001346
oct414651123
9156540707
1070472275
1136863955
121b726697
13117a5793
14950645d
1562c0a1a
hex4335253

70472275 has 12 divisors (see below), whose sum is σ = 88691992. Its totient is φ = 55535040.

The previous prime is 70472261. The next prime is 70472279. The reversal of 70472275 is 57227407.

It is not a de Polignac number, because 70472275 - 25 = 70472243 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70472275.

It is not an unprimeable number, because it can be changed into a prime (70472279) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19362 + ... + 22711.

Almost surely, 270472275 is an apocalyptic number.

70472275 is a deficient number, since it is larger than the sum of its proper divisors (18219717).

70472275 is a wasteful number, since it uses less digits than its factorization.

70472275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42150 (or 42145 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 34.

The square root of 70472275 is about 8394.7766497984. The cubic root of 70472275 is about 413.0533009708.

The spelling of 70472275 in words is "seventy million, four hundred seventy-two thousand, two hundred seventy-five".

Divisors: 1 5 25 67 335 1675 42073 210365 1051825 2818891 14094455 70472275