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1487986494 = 231731433513
BaseRepresentation
bin101100010110000…
…1101111100111110
310211200220112201220
41120230031330332
511021411031434
6403352414210
751605451021
oct13054157476
93750815656
101487986494
116a3a25305
123563a7366
131a93770a7
141018971b8
158a974d49
hex58b0df3e

1487986494 has 16 divisors (see below), whose sum is σ = 2993177232. Its totient is φ = 493128128.

The previous prime is 1487986477. The next prime is 1487986519. The reversal of 1487986494 is 4946897841.

It is a congruent number.

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, 715719 + ... + 717794.

It is an arithmetic number, because the mean of its divisors is an integer number (187073577).

Almost surely, 21487986494 is an apocalyptic number.

1487986494 is an abundant number, since it is smaller than the sum of its proper divisors (1505190738).

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

1487986494 is a wasteful number, since it uses less digits than its factorization.

1487986494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433691.

The product of its digits is 13934592, while the sum is 60.

The square root of 1487986494 is about 38574.4279802047. The cubic root of 1487986494 is about 1141.6500405509.

The spelling of 1487986494 in words is "one billion, four hundred eighty-seven million, nine hundred eighty-six thousand, four hundred ninety-four".

Divisors: 1 2 3 6 173 346 519 1038 1433513 2867026 4300539 8601078 247997749 495995498 743993247 1487986494