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40048672 = 254013121
BaseRepresentation
bin1001100011000…
…1100000100000
32210100200110011
42120301200200
540223024142
63550214304
7664256656
oct230614040
983320404
1040048672
1120674184
12114b4394
1383b2a51
145466dd6
1537b1417
hex2631820

40048672 has 24 divisors (see below), whose sum is σ = 79067772. Its totient is φ = 19968000.

The previous prime is 40048649. The next prime is 40048691. The reversal of 40048672 is 27684004.

It can be written as a sum of positive squares in 2 ways, for example, as 39992976 + 55696 = 6324^2 + 236^2 .

It is a super-2 number, since 2×400486722 = 3207792257927168, which contains 22 as substring.

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, 11272 + ... + 14392.

Almost surely, 240048672 is an apocalyptic number.

It is an amenable number.

40048672 is a deficient number, since it is larger than the sum of its proper divisors (39019100).

40048672 is a wasteful number, since it uses less digits than its factorization.

40048672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3532 (or 3524 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 40048672 is about 6328.4020099864. The cubic root of 40048672 is about 342.1338463600.

The spelling of 40048672 in words is "forty million, forty-eight thousand, six hundred seventy-two".

Divisors: 1 2 4 8 16 32 401 802 1604 3121 3208 6242 6416 12484 12832 24968 49936 99872 1251521 2503042 5006084 10012168 20024336 40048672