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69113472 = 273211853
BaseRepresentation
bin1000001111010…
…01011010000000
311211001022212020
410013221122000
5120143112342
610505201440
71466312001
oct407513200
9154038766
1069113472
1136015a7a
121b190280
131141b15c
1492711a8
1561030ec
hex41e9680

69113472 has 64 divisors (see below), whose sum is σ = 184668960. Its totient is φ = 22901760.

The previous prime is 69113461. The next prime is 69113479. The reversal of 69113472 is 27431196.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (69113479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80598 + ... + 81450.

Almost surely, 269113472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69113472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92334480).

69113472 is an abundant number, since it is smaller than the sum of its proper divisors (115555488).

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

69113472 is a wasteful number, since it uses less digits than its factorization.

69113472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081 (or 1069 counting only the distinct ones).

The product of its digits is 9072, while the sum is 33.

The square root of 69113472 is about 8313.4512688774. The cubic root of 69113472 is about 410.3813069774.

The spelling of 69113472 in words is "sixty-nine million, one hundred thirteen thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 211 384 422 633 844 853 1266 1688 1706 2532 2559 3376 3412 5064 5118 6752 6824 10128 10236 13504 13648 20256 20472 27008 27296 40512 40944 54592 81024 81888 109184 163776 179983 327552 359966 539949 719932 1079898 1439864 2159796 2879728 4319592 5759456 8639184 11518912 17278368 23037824 34556736 69113472