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157418211 = 3192761723
BaseRepresentation
bin10010110001000…
…00001011100011
3101222012200012010
421120200023203
5310244340321
623342004003
73621014136
oct1130401343
9358180163
10157418211
11809496a5
1244876603
13267c8592
1416c9a21d
15dc47676
hex96202e3

157418211 has 8 divisors (see below), whose sum is σ = 220937920. Its totient is φ = 99421992.

The previous prime is 157418207. The next prime is 157418231. The reversal of 157418211 is 112814751.

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

It is not a de Polignac number, because 157418211 - 22 = 157418207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157418231) 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, 1380805 + ... + 1380918.

It is an arithmetic number, because the mean of its divisors is an integer number (27617240).

Almost surely, 2157418211 is an apocalyptic number.

157418211 is a deficient number, since it is larger than the sum of its proper divisors (63519709).

157418211 is a wasteful number, since it uses less digits than its factorization.

157418211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2761745.

The product of its digits is 2240, while the sum is 30.

The square root of 157418211 is about 12546.6414231060. The cubic root of 157418211 is about 539.9476526760.

The spelling of 157418211 in words is "one hundred fifty-seven million, four hundred eighteen thousand, two hundred eleven".

Divisors: 1 3 19 57 2761723 8285169 52472737 157418211