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39740070 = 2354132309
BaseRepresentation
bin1001011110011…
…0001010100110
32202210000010110
42113212022212
540133140240
63535433450
7661533156
oct227461246
982700113
1039740070
1120483337
1211385886
138305446
1453c6766
15374ec80
hex25e62a6

39740070 has 32 divisors (see below), whose sum is σ = 97705440. Its totient is φ = 10338560.

The previous prime is 39740059. The next prime is 39740083. The reversal of 39740070 is 7004793.

39740070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14925 + ... + 17384.

It is an arithmetic number, because the mean of its divisors is an integer number (3053295).

Almost surely, 239740070 is an apocalyptic number.

39740070 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

39740070 is an abundant number, since it is smaller than the sum of its proper divisors (57965370).

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

39740070 is a wasteful number, since it uses less digits than its factorization.

39740070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32360.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 39740070 is about 6303.9725570469. The cubic root of 39740070 is about 341.2527888245.

The spelling of 39740070 in words is "thirty-nine million, seven hundred forty thousand, seventy".

Divisors: 1 2 3 5 6 10 15 30 41 82 123 205 246 410 615 1230 32309 64618 96927 161545 193854 323090 484635 969270 1324669 2649338 3974007 6623345 7948014 13246690 19870035 39740070