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146215074 = 23891012711
BaseRepresentation
bin10001011011100…
…01000010100010
3101012010111101010
420231301002202
5244412340244
622301521350
73423544005
oct1055610242
9335114333
10146215074
1175597605
1240b73256
13243a51c5
14155c153c
15cc82eb9
hex8b710a2

146215074 has 32 divisors (see below), whose sum is σ = 298753920. Its totient is φ = 47696000.

The previous prime is 146215037. The next prime is 146215099. The reversal of 146215074 is 470512641.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52579 + ... + 55289.

It is an arithmetic number, because the mean of its divisors is an integer number (9336060).

Almost surely, 2146215074 is an apocalyptic number.

146215074 is an abundant number, since it is smaller than the sum of its proper divisors (152538846).

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

146215074 is a wasteful number, since it uses less digits than its factorization.

146215074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2906.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 146215074 is about 12091.9425238462. The cubic root of 146215074 is about 526.8221779905.

The spelling of 146215074 in words is "one hundred forty-six million, two hundred fifteen thousand, seventy-four".

Divisors: 1 2 3 6 89 101 178 202 267 303 534 606 2711 5422 8133 8989 16266 17978 26967 53934 241279 273811 482558 547622 723837 821433 1447674 1642866 24369179 48738358 73107537 146215074