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153397077 = 3127457881
BaseRepresentation
bin10010010010010…
…10011101010101
3101200122101020020
421021022131111
5303232201302
623115455353
73541565541
oct1111123525
9350571206
10153397077
1179652549
1243457559
1325a1b202
1416530a21
15d700ebc
hex924a755

153397077 has 16 divisors (see below), whose sum is σ = 206825472. Its totient is φ = 101122560.

The previous prime is 153397073. The next prime is 153397087. The reversal of 153397077 is 770793351.

It is not a de Polignac number, because 153397077 - 22 = 153397073 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153397073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173677 + ... + 174557.

It is an arithmetic number, because the mean of its divisors is an integer number (12926592).

Almost surely, 2153397077 is an apocalyptic number.

It is an amenable number.

153397077 is a deficient number, since it is larger than the sum of its proper divisors (53428395).

153397077 is a wasteful number, since it uses less digits than its factorization.

153397077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468.

The product of its (nonzero) digits is 138915, while the sum is 42.

The square root of 153397077 is about 12385.3573626279. The cubic root of 153397077 is about 535.3104169964.

The spelling of 153397077 in words is "one hundred fifty-three million, three hundred ninety-seven thousand, seventy-seven".

Divisors: 1 3 127 381 457 881 1371 2643 58039 111887 174117 335661 402617 1207851 51132359 153397077