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152061769 = 198003251
BaseRepresentation
bin10010001000001…
…00011101001001
3101121010112112101
421010010131021
5302411434034
623031113401
73524334526
oct1104043511
9347115471
10152061769
1178920292
1242b12861
13256714a2
14162a414d
15d53a514
hex9104749

152061769 has 4 divisors (see below), whose sum is σ = 160065040. Its totient is φ = 144058500.

The previous prime is 152061733. The next prime is 152061773. The reversal of 152061769 is 967160251.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 152061769 - 27 = 152061641 is a prime.

It is a super-2 number, since 2×1520617692 = 46245563182818722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152061709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4001607 + ... + 4001644.

It is an arithmetic number, because the mean of its divisors is an integer number (40016260).

Almost surely, 2152061769 is an apocalyptic number.

152061769 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

152061769 is a deficient number, since it is larger than the sum of its proper divisors (8003271).

152061769 is an equidigital number, since it uses as much as digits as its factorization.

152061769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8003270.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 152061769 is about 12331.3328152313. The cubic root of 152061769 is about 533.7526114021.

The spelling of 152061769 in words is "one hundred fifty-two million, sixty-one thousand, seven hundred sixty-nine".

Divisors: 1 19 8003251 152061769