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429172670 = 25206920743
BaseRepresentation
bin11001100101001…
…010011110111110
31002220120020020002
4121211022132332
51334332011140
6110330354302
713430623163
oct3145123676
91086506202
10429172670
11200290863
12bb88b992
136abb6b34
1440dda06a
1527a27415
hex1994a7be

429172670 has 16 divisors (see below), whose sum is σ = 772921440. Its totient is φ = 171577824.

The previous prime is 429172661. The next prime is 429172687. The reversal of 429172670 is 76271924.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10319 + ... + 31061.

It is an arithmetic number, because the mean of its divisors is an integer number (48307590).

Almost surely, 2429172670 is an apocalyptic number.

429172670 is a deficient number, since it is larger than the sum of its proper divisors (343748770).

429172670 is a wasteful number, since it uses less digits than its factorization.

429172670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22819.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 429172670 is about 20716.4830509428. The cubic root of 429172670 is about 754.2998465017.

The spelling of 429172670 in words is "four hundred twenty-nine million, one hundred seventy-two thousand, six hundred seventy".

Divisors: 1 2 5 10 2069 4138 10345 20690 20743 41486 103715 207430 42917267 85834534 214586335 429172670