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3111942 = 23518657
BaseRepresentation
bin1011110111110000000110
312212002210010
423313300012
51244040232
6150411050
735310501
oct13676006
95762703
103111942
111836059
121060a86
1384c5b2
145b0138
154170cc
hex2f7c06

3111942 has 8 divisors (see below), whose sum is σ = 6223896. Its totient is φ = 1037312.

The previous prime is 3111931. The next prime is 3111973. The reversal of 3111942 is 2491113.

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

3111942 is an admirable number.

It is a super-2 number, since 2×31119422 = 19368366022728, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259323 + ... + 259334.

It is an arithmetic number, because the mean of its divisors is an integer number (777987).

Almost surely, 23111942 is an apocalyptic number.

3111942 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3111942 is a wasteful number, since it uses less digits than its factorization.

3111942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518662.

The product of its digits is 216, while the sum is 21.

The square root of 3111942 is about 1764.0697265131. The cubic root of 3111942 is about 145.9969662221.

The spelling of 3111942 in words is "three million, one hundred eleven thousand, nine hundred forty-two".

Divisors: 1 2 3 6 518657 1037314 1555971 3111942