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146932308 = 22324081453
BaseRepresentation
bin10001100001000…
…00001001010100
3101020110221020100
420300200021110
5300103313213
622325134100
73432622035
oct1060401124
9336427210
10146932308
1175a37466
124125a330
13245967c3
141572aa8c
15cd75773
hex8c20254

146932308 has 18 divisors (see below), whose sum is σ = 371412314. Its totient is φ = 48977424.

The previous prime is 146932307. The next prime is 146932319. The reversal of 146932308 is 803239641.

It can be written as a sum of positive squares in only one way, i.e., 79067664 + 67864644 = 8892^2 + 8238^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 4081453 = 146932308 / (1 + 4 + 6 + 9 + 3 + 2 + 3 + 0 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146932307) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2040691 + ... + 2040762.

Almost surely, 2146932308 is an apocalyptic number.

146932308 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

146932308 is an abundant number, since it is smaller than the sum of its proper divisors (224480006).

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

146932308 is a wasteful number, since it uses less digits than its factorization.

146932308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4081463 (or 4081458 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 146932308 is about 12121.5637605055. The cubic root of 146932308 is about 527.6821864951.

The spelling of 146932308 in words is "one hundred forty-six million, nine hundred thirty-two thousand, three hundred eight".

Divisors: 1 2 3 4 6 9 12 18 36 4081453 8162906 12244359 16325812 24488718 36733077 48977436 73466154 146932308