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29161090 = 257619673
BaseRepresentation
bin110111100111…
…1011010000010
32000212112111101
41233033122002
524431123330
62521005014
7502602520
oct157173202
960775441
1029161090
1115508182
12992376a
1360701aa
143c31310
1528604ca
hex1bcf682

29161090 has 32 divisors (see below), whose sum is σ = 60174720. Its totient is φ = 9967104.

The previous prime is 29161087. The next prime is 29161133. The reversal of 29161090 is 9016192.

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, 42994 + ... + 43666.

It is an arithmetic number, because the mean of its divisors is an integer number (1880460).

Almost surely, 229161090 is an apocalyptic number.

29161090 is an abundant number, since it is smaller than the sum of its proper divisors (31013630).

29161090 is a wasteful number, since it uses less digits than its factorization.

29161090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 29161090 is about 5400.1009249828. The cubic root of 29161090 is about 307.7995054853.

The spelling of 29161090 in words is "twenty-nine million, one hundred sixty-one thousand, ninety".

Divisors: 1 2 5 7 10 14 35 70 619 673 1238 1346 3095 3365 4333 4711 6190 6730 8666 9422 21665 23555 43330 47110 416587 833174 2082935 2916109 4165870 5832218 14580545 29161090