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1523484940 = 225312124407
BaseRepresentation
bin101101011001110…
…1000100100001100
310221011201001110011
41122303220210030
511110003004230
6411101323004
752516260025
oct13263504414
93834631404
101523484940
11711a7086a
12366266464
131b38259a3
14106497c4c
158db37e2a
hex5ace890c

1523484940 has 24 divisors (see below), whose sum is σ = 3200474592. Its totient is φ = 609173760.

The previous prime is 1523484913. The next prime is 1523484979. The reversal of 1523484940 is 494843251.

It is a junction number, because it is equal to n+sod(n) for n = 1523484893 and 1523484902.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50217 + ... + 74623.

It is an arithmetic number, because the mean of its divisors is an integer number (133353108).

Almost surely, 21523484940 is an apocalyptic number.

1523484940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1523484940 is an abundant number, since it is smaller than the sum of its proper divisors (1676989652).

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

1523484940 is a wasteful number, since it uses less digits than its factorization.

1523484940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27537 (or 27535 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 1523484940 is about 39031.8452036283. The cubic root of 1523484940 is about 1150.6574539302.

The spelling of 1523484940 in words is "one billion, five hundred twenty-three million, four hundred eighty-four thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 3121 6242 12484 15605 24407 31210 48814 62420 97628 122035 244070 488140 76174247 152348494 304696988 380871235 761742470 1523484940