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147032490 = 235111726209
BaseRepresentation
bin10001100001110…
…00100110101010
3101020200000122210
420300320212222
5300120014430
622331225550
73433520103
oct1060704652
9336600583
10147032490
1175aa5760
12412a82b6
1324600297
14157553aa
15cd952b0
hex8c389aa

147032490 has 64 divisors (see below), whose sum is σ = 407617920. Its totient is φ = 33546240.

The previous prime is 147032477. The next prime is 147032513. The reversal of 147032490 is 94230741.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7495 + ... + 18714.

It is an arithmetic number, because the mean of its divisors is an integer number (6369030).

Almost surely, 2147032490 is an apocalyptic number.

147032490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

147032490 is an abundant number, since it is smaller than the sum of its proper divisors (260585430).

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

147032490 is a wasteful number, since it uses less digits than its factorization.

147032490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26247.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 147032490 is about 12125.6954439735. The cubic root of 147032490 is about 527.8020880728.

The spelling of 147032490 in words is "one hundred forty-seven million, thirty-two thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 11 15 17 22 30 33 34 51 55 66 85 102 110 165 170 187 255 330 374 510 561 935 1122 1870 2805 5610 26209 52418 78627 131045 157254 262090 288299 393135 445553 576598 786270 864897 891106 1336659 1441495 1729794 2227765 2673318 2882990 4324485 4455530 4901083 6683295 8648970 9802166 13366590 14703249 24505415 29406498 49010830 73516245 147032490