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69114740 = 22518471871
BaseRepresentation
bin1000001111010…
…01101101110100
311211001101121012
410013221231310
5120143132430
610505211352
71466315462
oct407515564
9154041535
1069114740
1136016a22
121b190b58
131141b8c6
149271832
156103695
hex41e9b74

69114740 has 24 divisors (see below), whose sum is σ = 145297152. Its totient is φ = 27616160.

The previous prime is 69114739. The next prime is 69114767. The reversal of 69114740 is 4741196.

It is a junction number, because it is equal to n+sod(n) for n = 69114697 and 69114706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36005 + ... + 37875.

It is an arithmetic number, because the mean of its divisors is an integer number (6054048).

Almost surely, 269114740 is an apocalyptic number.

It is an amenable number.

69114740 is an abundant number, since it is smaller than the sum of its proper divisors (76182412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69114740 is a wasteful number, since it uses less digits than its factorization.

69114740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3727 (or 3725 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 69114740 is about 8313.5275304771. The cubic root of 69114740 is about 410.3838166681.

The spelling of 69114740 in words is "sixty-nine million, one hundred fourteen thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 1847 1871 3694 3742 7388 7484 9235 9355 18470 18710 36940 37420 3455737 6911474 13822948 17278685 34557370 69114740