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40112940 = 2235795507
BaseRepresentation
bin1001100100000…
…1001100101100
32210110221121110
42121001030230
540232103230
63551432020
7664645230
oct231011454
983427543
1040112940
112070849a
1211525610
13840608a
1454825c0
1537c54b0
hex264132c

40112940 has 48 divisors (see below), whose sum is σ = 128362752. Its totient is φ = 9168576.

The previous prime is 40112939. The next prime is 40112951. The reversal of 40112940 is 4921104.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47334 + ... + 48173.

It is an arithmetic number, because the mean of its divisors is an integer number (2674224).

Almost surely, 240112940 is an apocalyptic number.

It is an amenable number.

40112940 is an abundant number, since it is smaller than the sum of its proper divisors (88249812).

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

40112940 is a wasteful number, since it uses less digits than its factorization.

40112940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95526 (or 95524 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 40112940 is about 6333.4777176524. The cubic root of 40112940 is about 342.3167613445.

The spelling of 40112940 in words is "forty million, one hundred twelve thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 95507 191014 286521 382028 477535 573042 668549 955070 1146084 1337098 1432605 1910140 2005647 2674196 2865210 3342745 4011294 5730420 6685490 8022588 10028235 13370980 20056470 40112940