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40040147 = 710095669
BaseRepresentation
bin1001100010111…
…1011011010011
32210100020202102
42120233123103
540222241042
63550111015
7664223060
oct230573323
983306672
1040040147
1120668834
12114ab46b
1383abbc4
145463c67
1537adb32
hex262f6d3

40040147 has 8 divisors (see below), whose sum is σ = 45813600. Its totient is φ = 34280064.

The previous prime is 40040141. The next prime is 40040153. The reversal of 40040147 is 74104004.

It is an interprime number because it is at equal distance from previous prime (40040141) and next prime (40040153).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40040147 - 24 = 40040131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40040141) 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, 4229 + ... + 9897.

It is an arithmetic number, because the mean of its divisors is an integer number (5726700).

Almost surely, 240040147 is an apocalyptic number.

40040147 is a deficient number, since it is larger than the sum of its proper divisors (5773453).

40040147 is a wasteful number, since it uses less digits than its factorization.

40040147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6685.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 40040147 is about 6327.7284233760. The cubic root of 40040147 is about 342.1095684179.

The spelling of 40040147 in words is "forty million, forty thousand, one hundred forty-seven".

Divisors: 1 7 1009 5669 7063 39683 5720021 40040147