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70025277 = 3712132749
BaseRepresentation
bin1000010110010…
…00000000111101
311212202122121210
410023020000331
5120411302102
610540515033
71510130220
oct413100075
9155678553
1070025277
1136589033
121b54ba79
131167a19a
14942b5b7
15623336c
hex42c803d

70025277 has 16 divisors (see below), whose sum is σ = 106832000. Its totient is φ = 39966912.

The previous prime is 70025269. The next prime is 70025303. The reversal of 70025277 is 77252007.

It is not a de Polignac number, because 70025277 - 23 = 70025269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70025677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24099 + ... + 26847.

It is an arithmetic number, because the mean of its divisors is an integer number (6677000).

Almost surely, 270025277 is an apocalyptic number.

It is an amenable number.

70025277 is a deficient number, since it is larger than the sum of its proper divisors (36806723).

70025277 is a wasteful number, since it uses less digits than its factorization.

70025277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3972.

The product of its (nonzero) digits is 6860, while the sum is 30.

The square root of 70025277 is about 8368.1107186748. The cubic root of 70025277 is about 412.1781305485.

The spelling of 70025277 in words is "seventy million, twenty-five thousand, two hundred seventy-seven".