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70995495 = 3519249107
BaseRepresentation
bin1000011101101…
…00111000100111
311221120221111210
410032310320213
5121133323440
611013402503
71521310644
oct416647047
9157527453
1070995495
1137090a6a
121b939433
131192998c
149600dcb
156375a80
hex43b4e27

70995495 has 16 divisors (see below), whose sum is σ = 119571840. Its totient is φ = 35871264.

The previous prime is 70995473. The next prime is 70995499. The reversal of 70995495 is 59459907.

It is not a de Polignac number, because 70995495 - 221 = 68898343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70995499) 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, 124269 + ... + 124838.

It is an arithmetic number, because the mean of its divisors is an integer number (7473240).

Almost surely, 270995495 is an apocalyptic number.

70995495 is a deficient number, since it is larger than the sum of its proper divisors (48576345).

70995495 is a wasteful number, since it uses less digits than its factorization.

70995495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249134.

The product of its (nonzero) digits is 510300, while the sum is 48.

The square root of 70995495 is about 8425.8824463673. The cubic root of 70995495 is about 414.0730168303.

The spelling of 70995495 in words is "seventy million, nine hundred ninety-five thousand, four hundred ninety-five".

Divisors: 1 3 5 15 19 57 95 285 249107 747321 1245535 3736605 4733033 14199099 23665165 70995495