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2894157 = 33715313
BaseRepresentation
bin1011000010100101001101
312110001001000
423002211031
51220103112
6142010513
733412530
oct13024515
95401030
102894157
1116a7472
12b76a39
137a4426
14554a17
153c27dc
hex2c294d

2894157 has 16 divisors (see below), whose sum is σ = 4900480. Its totient is φ = 1653696.

The previous prime is 2894153. The next prime is 2894161. The reversal of 2894157 is 7514982.

It is an interprime number because it is at equal distance from previous prime (2894153) and next prime (2894161).

It is not a de Polignac number, because 2894157 - 22 = 2894153 is a prime.

It is a super-2 number, since 2×28941572 = 16752289481298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2894153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7468 + ... + 7845.

It is an arithmetic number, because the mean of its divisors is an integer number (306280).

22894157 is an apocalyptic number.

2894157 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2894157 is a deficient number, since it is larger than the sum of its proper divisors (2006323).

2894157 is a wasteful number, since it uses less digits than its factorization.

2894157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15329 (or 15323 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 2894157 is about 1701.2222077083. Note that the first 4 decimals coincide. The cubic root of 2894157 is about 142.5084759501.

The spelling of 2894157 in words is "two million, eight hundred ninety-four thousand, one hundred fifty-seven".

Divisors: 1 3 7 9 21 27 63 189 15313 45939 107191 137817 321573 413451 964719 2894157