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47874340 = 2252393717
BaseRepresentation
bin1011011010100…
…0000100100100
310100002021020201
42312220010210
544223434330
64430040244
71120632223
oct266500444
9110067221
1047874340
1125029778
1214049084
139bc2a17
146502cba
154309eca
hex2da8124

47874340 has 12 divisors (see below), whose sum is σ = 100536156. Its totient is φ = 19149728.

The previous prime is 47874313. The next prime is 47874383. The reversal of 47874340 is 4347874.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 15178816 + 32695524 = 3896^2 + 5718^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 47874340.

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, 1196839 + ... + 1196878.

It is an arithmetic number, because the mean of its divisors is an integer number (8378013).

Almost surely, 247874340 is an apocalyptic number.

It is an amenable number.

47874340 is an abundant number, since it is smaller than the sum of its proper divisors (52661816).

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

47874340 is a wasteful number, since it uses less digits than its factorization.

47874340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2393726 (or 2393724 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 37.

The square root of 47874340 is about 6919.1285578460. The cubic root of 47874340 is about 363.1067033972.

The spelling of 47874340 in words is "forty-seven million, eight hundred seventy-four thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 2393717 4787434 9574868 11968585 23937170 47874340