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1418157 = 3213172331
BaseRepresentation
bin101011010001110101101
32200001100100
411122032231
5330340112
650221313
715024366
oct5321655
92601310
101418157
11889534
12584839
133a8660
1428cb6d
151d02dc
hex15a3ad

1418157 has 48 divisors (see below), whose sum is σ = 2515968. Its totient is φ = 760320.

The previous prime is 1418147. The next prime is 1418159. The reversal of 1418157 is 7518141.

It is not a de Polignac number, because 1418157 - 26 = 1418093 is a prime.

It is a super-2 number, since 2×14181572 = 4022338553298, which contains 22 as substring.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1418157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1418159) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45732 + ... + 45762.

It is an arithmetic number, because the mean of its divisors is an integer number (52416).

21418157 is an apocalyptic number.

1418157 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1418157 is a deficient number, since it is larger than the sum of its proper divisors (1097811).

1418157 is a wasteful number, since it uses less digits than its factorization.

1418157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90 (or 87 counting only the distinct ones).

The product of its digits is 1120, while the sum is 27.

The square root of 1418157 is about 1190.8639720808. The cubic root of 1418157 is about 112.3504382922.

The spelling of 1418157 in words is "one million, four hundred eighteen thousand, one hundred fifty-seven".

Divisors: 1 3 9 13 17 23 31 39 51 69 93 117 153 207 221 279 299 391 403 527 663 713 897 1173 1209 1581 1989 2139 2691 3519 3627 4743 5083 6417 6851 9269 12121 15249 20553 27807 36363 45747 61659 83421 109089 157573 472719 1418157