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152277320 = 23513292841
BaseRepresentation
bin10010001001110…
…01000101001000
3101121112111012202
421010321011020
5302440333240
623035455332
73526223126
oct1104710510
9347474182
10152277320
1178a58228
1242bb7548
1325718630
141631c916
15d57e315
hex9139148

152277320 has 32 divisors (see below), whose sum is σ = 368980920. Its totient is φ = 56225280.

The previous prime is 152277299. The next prime is 152277329. The reversal of 152277320 is 23772251.

It can be written as a sum of positive squares in 4 ways, for example, as 52157284 + 100120036 = 7222^2 + 10006^2 .

It is not an unprimeable number, because it can be changed into a prime (152277329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145901 + ... + 146940.

Almost surely, 2152277320 is an apocalyptic number.

152277320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152277320 is an abundant number, since it is smaller than the sum of its proper divisors (216703600).

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

152277320 is a wasteful number, since it uses less digits than its factorization.

152277320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292865 (or 292861 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 152277320 is about 12340.0696918615. The cubic root of 152277320 is about 534.0046944651.

The spelling of 152277320 in words is "one hundred fifty-two million, two hundred seventy-seven thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 292841 585682 1171364 1464205 2342728 2928410 3806933 5856820 7613866 11713640 15227732 19034665 30455464 38069330 76138660 152277320