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40703742 = 233753773
BaseRepresentation
bin1001101101000…
…1011011111110
32211120222001000
42123101123332
540410004432
64012231130
71002655542
oct233213376
984528030
1040703742
1120a81362
121176b4a6
138581c71
145597a22
15389057c
hex26d16fe

40703742 has 16 divisors (see below), whose sum is σ = 90452880. Its totient is φ = 13567896.

The previous prime is 40703731. The next prime is 40703743. The reversal of 40703742 is 24730704.

It is a super-2 number, since 2×407037422 = 3313589225605128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40703743) 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, 376833 + ... + 376940.

It is an arithmetic number, because the mean of its divisors is an integer number (5653305).

Almost surely, 240703742 is an apocalyptic number.

40703742 is an abundant number, since it is smaller than the sum of its proper divisors (49749138).

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

40703742 is a wasteful number, since it uses less digits than its factorization.

40703742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753784 (or 753778 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 40703742 is about 6379.9484323935. The cubic root of 40703742 is about 343.9891773682.

The spelling of 40703742 in words is "forty million, seven hundred three thousand, seven hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 753773 1507546 2261319 4522638 6783957 13567914 20351871 40703742