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147481668 = 22331365571
BaseRepresentation
bin10001100101001…
…10010001000100
3101021111211211000
420302212101010
5300223403133
622345013300
73440400465
oct1062462104
9337454730
10147481668
1176282184
1241484230
1324729879
1415830d6c
15ce33413
hex8ca6444

147481668 has 24 divisors (see below), whose sum is σ = 382360160. Its totient is φ = 49160520.

The previous prime is 147481661. The next prime is 147481693. The reversal of 147481668 is 866184741.

It is not an unprimeable number, because it can be changed into a prime (147481661) 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, 682678 + ... + 682893.

Almost surely, 2147481668 is an apocalyptic number.

147481668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

147481668 is an abundant number, since it is smaller than the sum of its proper divisors (234878492).

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

147481668 is a wasteful number, since it uses less digits than its factorization.

147481668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365584 (or 1365576 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 147481668 is about 12144.2030615434. The cubic root of 147481668 is about 528.3390126557.

The spelling of 147481668 in words is "one hundred forty-seven million, four hundred eighty-one thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 1365571 2731142 4096713 5462284 8193426 12290139 16386852 24580278 36870417 49160556 73740834 147481668