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142846470 = 23351340697
BaseRepresentation
bin10001000001110…
…10101000000110
3100221210100112000
420200322220012
5243032041340
622101410130
73353114004
oct1040725006
9327710460
10142846470
11736a6738
123ba09946
1323795b50
1414d85a74
15c819d30
hex883aa06

142846470 has 64 divisors (see below), whose sum is σ = 410235840. Its totient is φ = 35161344.

The previous prime is 142846469. The next prime is 142846523. The reversal of 142846470 is 74648241.

142846470 is a `hidden beast` number, since 1 + 4 + 2 + 8 + 4 + 647 + 0 = 666.

It is a super-2 number, since 2×1428464702 = 40810227982921800, which contains 22 as substring.

It is a congruent number.

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, 16839 + ... + 23858.

It is an arithmetic number, because the mean of its divisors is an integer number (6409935).

Almost surely, 2142846470 is an apocalyptic number.

142846470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142846470 is an abundant number, since it is smaller than the sum of its proper divisors (267389370).

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

142846470 is a wasteful number, since it uses less digits than its factorization.

142846470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40726 (or 40720 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 142846470 is about 11951.8396073575. The cubic root of 142846470 is about 522.7449398348.

The spelling of 142846470 in words is "one hundred forty-two million, eight hundred forty-six thousand, four hundred seventy".

Divisors: 1 2 3 5 6 9 10 13 15 18 26 27 30 39 45 54 65 78 90 117 130 135 195 234 270 351 390 585 702 1170 1755 3510 40697 81394 122091 203485 244182 366273 406970 529061 610455 732546 1058122 1098819 1220910 1587183 1831365 2197638 2645305 3174366 3662730 4761549 5290610 5494095 7935915 9523098 10988190 14284647 15871830 23807745 28569294 47615490 71423235 142846470