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39677139 = 3223191677
BaseRepresentation
bin1001011101011…
…0110011010011
32202122210210200
42113112303103
540124132024
63534230243
7661151535
oct227266323
982583720
1039677139
1120440027
1211355383
1382b28c8
1453ab855
15373b2c9
hex25d6cd3

39677139 has 12 divisors (see below), whose sum is σ = 59803536. Its totient is φ = 25301232.

The previous prime is 39677123. The next prime is 39677147. The reversal of 39677139 is 93177693.

It is not a de Polignac number, because 39677139 - 24 = 39677123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 39677094 and 39677103.

It is not an unprimeable number, because it can be changed into a prime (39677119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95632 + ... + 96045.

It is an arithmetic number, because the mean of its divisors is an integer number (4983628).

Almost surely, 239677139 is an apocalyptic number.

39677139 is a deficient number, since it is larger than the sum of its proper divisors (20126397).

39677139 is a wasteful number, since it uses less digits than its factorization.

39677139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191706 (or 191703 counting only the distinct ones).

The product of its digits is 214326, while the sum is 45.

The square root of 39677139 is about 6298.9792030138. The cubic root of 39677139 is about 341.0725616204.

The spelling of 39677139 in words is "thirty-nine million, six hundred seventy-seven thousand, one hundred thirty-nine".

Divisors: 1 3 9 23 69 207 191677 575031 1725093 4408571 13225713 39677139