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47396040 = 2335394967
BaseRepresentation
bin1011010011001…
…1010011001000
310022011222010220
42310303103020
544113133130
64411510040
71113600606
oct264632310
9108158126
1047396040
112483238a
1213a58320
139a860c3
14641a876
154263410
hex2d334c8

47396040 has 32 divisors (see below), whose sum is σ = 142188480. Its totient is φ = 12638912.

The previous prime is 47396039. The next prime is 47396047. The reversal of 47396040 is 4069374.

It is a junction number, because it is equal to n+sod(n) for n = 47395992 and 47396010.

It is not an unprimeable number, because it can be changed into a prime (47396047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197364 + ... + 197603.

It is an arithmetic number, because the mean of its divisors is an integer number (4443390).

Almost surely, 247396040 is an apocalyptic number.

47396040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47396040 is an abundant number, since it is smaller than the sum of its proper divisors (94792440).

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

47396040 is a wasteful number, since it uses less digits than its factorization.

47396040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394981 (or 394977 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 47396040 is about 6884.4781937341. The cubic root of 47396040 is about 361.8934191692.

The spelling of 47396040 in words is "forty-seven million, three hundred ninety-six thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 394967 789934 1184901 1579868 1974835 2369802 3159736 3949670 4739604 5924505 7899340 9479208 11849010 15798680 23698020 47396040