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1492987480 = 23566156467
BaseRepresentation
bin101100011111101…
…0010111001011000
310212001022121210121
41120333102321120
511024201044410
6404051523024
751666120115
oct13077227130
93761277717
101492987480
116a6830656
12357bb9474
131aa40845a
141023d990c
158b1119da
hex58fd2e58

1492987480 has 32 divisors (see below), whose sum is σ = 3364363440. Its totient is φ = 596280960.

The previous prime is 1492987471. The next prime is 1492987493. The reversal of 1492987480 is 847892941.

It is a happy number.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

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, 1794 + ... + 54673.

Almost surely, 21492987480 is an apocalyptic number.

1492987480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1492987480 is an abundant number, since it is smaller than the sum of its proper divisors (1871375960).

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

1492987480 is a wasteful number, since it uses less digits than its factorization.

1492987480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57139 (or 57135 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 52.

The square root of 1492987480 is about 38639.1961614110. The cubic root of 1492987480 is about 1142.9276040188.

The spelling of 1492987480 in words is "one billion, four hundred ninety-two million, nine hundred eighty-seven thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 661 1322 2644 3305 5288 6610 13220 26440 56467 112934 225868 282335 451736 564670 1129340 2258680 37324687 74649374 149298748 186623435 298597496 373246870 746493740 1492987480