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146520992 = 2529157889
BaseRepresentation
bin10001011101110…
…11101110100000
3101012201001000102
420232323232200
5300002132432
622312241532
73426256622
oct1056735640
9335631012
10146520992
1175786432
12410a02a8
1324481517
1415660c12
15cce3962
hex8bbbba0

146520992 has 24 divisors (see below), whose sum is σ = 298412100. Its totient is φ = 70733824.

The previous prime is 146520953. The next prime is 146521007. The reversal of 146520992 is 299025641.

It can be written as a sum of positive squares in 2 ways, for example, as 138203536 + 8317456 = 11756^2 + 2884^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78017 + ... + 79872.

Almost surely, 2146520992 is an apocalyptic number.

It is an amenable number.

146520992 is an abundant number, since it is smaller than the sum of its proper divisors (151891108).

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

146520992 is a wasteful number, since it uses less digits than its factorization.

146520992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157928 (or 157920 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 146520992 is about 12104.5855773752. The cubic root of 146520992 is about 527.1893360282.

The spelling of 146520992 in words is "one hundred forty-six million, five hundred twenty thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 16 29 32 58 116 232 464 928 157889 315778 631556 1263112 2526224 4578781 5052448 9157562 18315124 36630248 73260496 146520992