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152977005 = 36541969
BaseRepresentation
bin10010001111000…
…11111001101101
3101122212001000000
421013203321231
5303130231010
623102454513
73535166046
oct1107437155
9348761000
10152977005
1179395985
1243294439
1325901c4c
14164618cd
15d66b7c0
hex91e3e6d

152977005 has 28 divisors (see below), whose sum is σ = 275239260. Its totient is φ = 81585792.

The previous prime is 152977003. The next prime is 152977007. The reversal of 152977005 is 500779251.

It is an interprime number because it is at equal distance from previous prime (152977003) and next prime (152977007).

It can be written as a sum of positive squares in 2 ways, for example, as 57972996 + 95004009 = 7614^2 + 9747^2 .

It is not a de Polignac number, because 152977005 - 21 = 152977003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152977003) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 17340 + ... + 24629.

Almost surely, 2152977005 is an apocalyptic number.

152977005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

152977005 is a deficient number, since it is larger than the sum of its proper divisors (122262255).

152977005 is an frugal number, since it uses more digits than its factorization.

152977005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41992 (or 41977 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 36.

The square root of 152977005 is about 12368.3873241421. The cubic root of 152977005 is about 534.8213279392.

The spelling of 152977005 in words is "one hundred fifty-two million, nine hundred seventy-seven thousand, five".

Divisors: 1 3 5 9 15 27 45 81 135 243 405 729 1215 3645 41969 125907 209845 377721 629535 1133163 1888605 3399489 5665815 10198467 16997445 30595401 50992335 152977005