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29102070 = 235970069
BaseRepresentation
bin110111100000…
…0111111110110
32000202112112110
41233000333312
524422231240
62515431450
7502235454
oct157007766
960675473
1029102070
11154778a8
1298b5586
13604c37a
143c179d4
15284cc80
hex1bc0ff6

29102070 has 16 divisors (see below), whose sum is σ = 69845040. Its totient is φ = 7760544.

The previous prime is 29102057. The next prime is 29102083. The reversal of 29102070 is 7020192.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (29102057) and next prime (29102083).

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, 485005 + ... + 485064.

It is an arithmetic number, because the mean of its divisors is an integer number (4365315).

Almost surely, 229102070 is an apocalyptic number.

29102070 is an abundant number, since it is smaller than the sum of its proper divisors (40742970).

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

29102070 is a wasteful number, since it uses less digits than its factorization.

29102070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970079.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 29102070 is about 5394.6334444520. The cubic root of 29102070 is about 307.5917103674.

The spelling of 29102070 in words is "twenty-nine million, one hundred two thousand, seventy".

Divisors: 1 2 3 5 6 10 15 30 970069 1940138 2910207 4850345 5820414 9700690 14551035 29102070