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55157034 = 2313216959
BaseRepresentation
bin1101001001101…
…0000100101010
310211210021020010
43102122010222
5103110011114
65250112350
71236553452
oct322320452
9124707203
1055157034
1129153329
121657b6b6
13b5727ca
14747ad62
154c97c59
hex349a12a

55157034 has 16 divisors (see below), whose sum is σ = 110413440. Its totient is φ = 18369120.

The previous prime is 55157033. The next prime is 55157041. The reversal of 55157034 is 43075155.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55156992 and 55157010.

It is not an unprimeable number, because it can be changed into a prime (55157033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4447 + ... + 11405.

It is an arithmetic number, because the mean of its divisors is an integer number (6900840).

Almost surely, 255157034 is an apocalyptic number.

55157034 is an abundant number, since it is smaller than the sum of its proper divisors (55256406).

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

55157034 is a wasteful number, since it uses less digits than its factorization.

55157034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8285.

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 55157034 is about 7426.7781709164. The cubic root of 55157034 is about 380.6568372128.

The spelling of 55157034 in words is "fifty-five million, one hundred fifty-seven thousand, thirty-four".

Divisors: 1 2 3 6 1321 2642 3963 6959 7926 13918 20877 41754 9192839 18385678 27578517 55157034