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157741077 = 3134044643
BaseRepresentation
bin10010110011011…
…11000000010101
3101222211002002010
421121233000111
5310340203302
623352534433
73623530344
oct1131570025
9358732063
10157741077
118104a22a
12449b1419
13268ac520
1416d41b5b
15dcad16c
hex966f015

157741077 has 8 divisors (see below), whose sum is σ = 226500064. Its totient is φ = 97071408.

The previous prime is 157741069. The next prime is 157741081. The reversal of 157741077 is 770147751.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 157741077 - 23 = 157741069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 4044643 = 157741077 / (1 + 5 + 7 + 7 + 4 + 1 + 0 + 7 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157741037) 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 7 ways as a sum of consecutive naturals, for example, 2022283 + ... + 2022360.

It is an arithmetic number, because the mean of its divisors is an integer number (28312508).

Almost surely, 2157741077 is an apocalyptic number.

It is an amenable number.

157741077 is a deficient number, since it is larger than the sum of its proper divisors (68758987).

157741077 is a wasteful number, since it uses less digits than its factorization.

157741077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4044659.

The product of its (nonzero) digits is 48020, while the sum is 39.

The square root of 157741077 is about 12559.5014630359. The cubic root of 157741077 is about 540.3165462298.

The spelling of 157741077 in words is "one hundred fifty-seven million, seven hundred forty-one thousand, seventy-seven".

Divisors: 1 3 13 39 4044643 12133929 52580359 157741077