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69953005 = 523976271
BaseRepresentation
bin1000010101101…
…10010111101101
311212121222111001
410022312113231
5120401444010
610535200301
71506406423
oct412662755
9155558431
1069953005
1136539801
121b516091
1311653315
14940d113
15621bc3a
hex42b65ed

69953005 has 16 divisors (see below), whose sum is σ = 88510464. Its totient is φ = 52968960.

The previous prime is 69952979. The next prime is 69953027. The reversal of 69953005 is 50035996.

It is not a de Polignac number, because 69953005 - 25 = 69952973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8020 + ... + 14290.

It is an arithmetic number, because the mean of its divisors is an integer number (5531904).

Almost surely, 269953005 is an apocalyptic number.

It is an amenable number.

69953005 is a deficient number, since it is larger than the sum of its proper divisors (18557459).

69953005 is a wasteful number, since it uses less digits than its factorization.

69953005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6396.

The product of its (nonzero) digits is 36450, while the sum is 37.

The square root of 69953005 is about 8363.7913053830. The cubic root of 69953005 is about 412.0362808563.

It can be divided in two parts, 6995 and 3005, that added together give a 4-th power (10000 = 104).

The spelling of 69953005 in words is "sixty-nine million, nine hundred fifty-three thousand, five".

Divisors: 1 5 23 97 115 485 2231 6271 11155 31355 144233 608287 721165 3041435 13990601 69953005