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1405274070 = 23546842469
BaseRepresentation
bin101001111000010…
…1100011111010110
310121221021022121210
41103300230133112
510334222232240
6351235522250
746552426644
oct12360543726
93557238553
101405274070
11661271232
12332759386
131951a7225
14d48c6194
1583587780
hex53c2c7d6

1405274070 has 16 divisors (see below), whose sum is σ = 3372657840. Its totient is φ = 374739744.

The previous prime is 1405274053. The next prime is 1405274081. The reversal of 1405274070 is 704725041.

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: 46842469 = 1405274070 / (1 + 4 + 0 + 5 + 2 + 7 + 4 + 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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23421205 + ... + 23421264.

It is an arithmetic number, because the mean of its divisors is an integer number (210791115).

Almost surely, 21405274070 is an apocalyptic number.

1405274070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1405274070 is an abundant number, since it is smaller than the sum of its proper divisors (1967383770).

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

1405274070 is a wasteful number, since it uses less digits than its factorization.

1405274070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46842479.

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 1405274070 is about 37486.9853415822. The cubic root of 1405274070 is about 1120.0919540786.

The spelling of 1405274070 in words is "one billion, four hundred five million, two hundred seventy-four thousand, seventy".

Divisors: 1 2 3 5 6 10 15 30 46842469 93684938 140527407 234212345 281054814 468424690 702637035 1405274070