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1492539340 = 225157475331
BaseRepresentation
bin101100011110110…
…0101011111001100
310212000110212001211
41120331211133030
511024042224330
6404034144204
751662242435
oct13075453714
93760425054
101492539340
116a6554996
12357a22064
131aa2ac496
1410232048c
158b073d2a
hex58f657cc

1492539340 has 24 divisors (see below), whose sum is σ = 3154303152. Its totient is φ = 593211840.

The previous prime is 1492539247. The next prime is 1492539341. The reversal of 1492539340 is 439352941.

It is a junction number, because it is equal to n+sod(n) for n = 1492539293 and 1492539302.

It is not an unprimeable number, because it can be changed into a prime (1492539341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234526 + ... + 240805.

It is an arithmetic number, because the mean of its divisors is an integer number (131429298).

Almost surely, 21492539340 is an apocalyptic number.

1492539340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1492539340 is an abundant number, since it is smaller than the sum of its proper divisors (1661763812).

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

1492539340 is a wasteful number, since it uses less digits than its factorization.

1492539340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475497 (or 475495 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 1492539340 is about 38633.3966924991. The cubic root of 1492539340 is about 1142.8132376139.

The spelling of 1492539340 in words is "one billion, four hundred ninety-two million, five hundred thirty-nine thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 157 314 628 785 1570 3140 475331 950662 1901324 2376655 4753310 9506620 74626967 149253934 298507868 373134835 746269670 1492539340