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39790044 = 22327157897
BaseRepresentation
bin1001011111001…
…0010111011100
32202212112200100
42113302113130
540141240134
63540501100
7662131650
oct227622734
982775610
1039790044
1120507938
12113aa790
138322108
1453daa60
15375e999
hex25f25dc

39790044 has 36 divisors (see below), whose sum is σ = 114949744. Its totient is φ = 11368512.

The previous prime is 39790021. The next prime is 39790063. The reversal of 39790044 is 44009793.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 39789990 and 39790008.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78697 + ... + 79200.

Almost surely, 239790044 is an apocalyptic number.

It is an amenable number.

39790044 is an abundant number, since it is smaller than the sum of its proper divisors (75159700).

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

39790044 is a wasteful number, since it uses less digits than its factorization.

39790044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157914 (or 157909 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 39790044 is about 6307.9350028357. The cubic root of 39790044 is about 341.3957731672.

The spelling of 39790044 in words is "thirty-nine million, seven hundred ninety thousand, forty-four".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 157897 315794 473691 631588 947382 1105279 1421073 1894764 2210558 2842146 3315837 4421116 5684292 6631674 9947511 13263348 19895022 39790044