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39722070 = 2351324069
BaseRepresentation
bin1001011110000…
…1110001010110
32202202002102210
42113201301112
540132101240
63535214250
7661426533
oct227416126
982662383
1039722070
1120470863
1211377386
1382ca1ab
1453bdd8a
153749780
hex25e1c56

39722070 has 16 divisors (see below), whose sum is σ = 95333040. Its totient is φ = 10592544.

The previous prime is 39722063. The next prime is 39722101. The reversal of 39722070 is 7022793.

39722070 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), and also a Moran number because the ratio is a prime number: 1324069 = 39722070 / (3 + 9 + 7 + 2 + 2 + 0 + 7 + 0).

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 7 ways as a sum of consecutive naturals, for example, 662005 + ... + 662064.

It is an arithmetic number, because the mean of its divisors is an integer number (5958315).

Almost surely, 239722070 is an apocalyptic number.

39722070 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

39722070 is an abundant number, since it is smaller than the sum of its proper divisors (55610970).

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

39722070 is a wasteful number, since it uses less digits than its factorization.

39722070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324079.

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

The square root of 39722070 is about 6302.5447241571. The cubic root of 39722070 is about 341.2012583177.

The spelling of 39722070 in words is "thirty-nine million, seven hundred twenty-two thousand, seventy".

Divisors: 1 2 3 5 6 10 15 30 1324069 2648138 3972207 6620345 7944414 13240690 19861035 39722070