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169057942 = 2312726741
BaseRepresentation
bin10100001001110…
…01111010010110
3102210010000220021
422010321322112
5321234323232
624435255354
74121653204
oct1204717226
9383100807
10169057942
1187479809
124874a55a
13290425b1
141864a074
15ec96397
hexa139e96

169057942 has 8 divisors (see below), whose sum is σ = 261767232. Its totient is φ = 81802200.

The previous prime is 169057937. The next prime is 169057943. The reversal of 169057942 is 249750961.

It is a happy number.

169057942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

169057942 is an esthetic number in base 5, because in such base its adjacent digits differ by 1.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169057943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1363309 + ... + 1363432.

It is an arithmetic number, because the mean of its divisors is an integer number (32720904).

Almost surely, 2169057942 is an apocalyptic number.

169057942 is a deficient number, since it is larger than the sum of its proper divisors (92709290).

169057942 is a wasteful number, since it uses less digits than its factorization.

169057942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2726774.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 169057942 is about 13002.2283474795. The cubic root of 169057942 is about 552.9406592114.

The spelling of 169057942 in words is "one hundred sixty-nine million, fifty-seven thousand, nine hundred forty-two".

Divisors: 1 2 31 62 2726741 5453482 84528971 169057942