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1474249820 = 22573712491
BaseRepresentation
bin101011111011111…
…0100010001011100
310210202001122120012
41113313310101130
511004401443240
6402142142352
751350626301
oct12767642134
93722048505
101474249820
116971a278a
123518819b8
131a6577794
14ddb1d0a8
158965eb65
hex57df445c

1474249820 has 12 divisors (see below), whose sum is σ = 3095924664. Its totient is φ = 589699920.

The previous prime is 1474249813. The next prime is 1474249849. The reversal of 1474249820 is 289424741.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36856226 + ... + 36856265.

It is an arithmetic number, because the mean of its divisors is an integer number (257993722).

Almost surely, 21474249820 is an apocalyptic number.

1474249820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1474249820 is an abundant number, since it is smaller than the sum of its proper divisors (1621674844).

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

1474249820 is a wasteful number, since it uses less digits than its factorization.

1474249820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73712500 (or 73712498 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 1474249820 is about 38395.9609854995. The cubic root of 1474249820 is about 1138.1260430174.

The spelling of 1474249820 in words is "one billion, four hundred seventy-four million, two hundred forty-nine thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 73712491 147424982 294849964 368562455 737124910 1474249820