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1345157 = 11211117
BaseRepresentation
bin101001000011010000101
32112100012122
411020122011
5321021112
644455325
714301512
oct5103205
92470178
101345157
11839700
1254a545
13381368
14270309
151b8872
hex148685

1345157 has 6 divisors (see below), whose sum is σ = 1478694. Its totient is φ = 1222760.

The previous prime is 1345153. The next prime is 1345177. The reversal of 1345157 is 7515431.

It can be written as a sum of positive squares in only one way, i.e., 894916 + 450241 = 946^2 + 671^2 .

It is not a de Polignac number, because 1345157 - 22 = 1345153 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345153) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5438 + ... + 5679.

It is an arithmetic number, because the mean of its divisors is an integer number (246449).

21345157 is an apocalyptic number.

It is an amenable number.

1345157 is a deficient number, since it is larger than the sum of its proper divisors (133537).

1345157 is a wasteful number, since it uses less digits than its factorization.

1345157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11139 (or 11128 counting only the distinct ones).

The product of its digits is 2100, while the sum is 26.

The square root of 1345157 is about 1159.8090360055. The cubic root of 1345157 is about 110.3886253859.

The spelling of 1345157 in words is "one million, three hundred forty-five thousand, one hundred fifty-seven".

Divisors: 1 11 121 11117 122287 1345157