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147990672 = 2433675113
BaseRepresentation
bin10001101001000…
…10100010010000
3101022110201001000
420310202202100
5300341200142
622403542000
73444620454
oct1064424220
9338421030
10147990672
117659a645
124168a900
132487745b
1415924664
15ced414c
hex8d22890

147990672 has 80 divisors (see below), whose sum is σ = 431212480. Its totient is φ = 48584448.

The previous prime is 147990653. The next prime is 147990751. The reversal of 147990672 is 276099741.

It is a super-3 number, since 3×1479906723 (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26388 + ... + 31500.

It is an arithmetic number, because the mean of its divisors is an integer number (5390156).

Almost surely, 2147990672 is an apocalyptic number.

147990672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 147990672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215606240).

147990672 is an abundant number, since it is smaller than the sum of its proper divisors (283221808).

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

147990672 is a wasteful number, since it uses less digits than its factorization.

147990672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5197 (or 5185 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 147990672 is about 12165.1416761171. The cubic root of 147990672 is about 528.9461341684.

The spelling of 147990672 in words is "one hundred forty-seven million, nine hundred ninety thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 67 72 108 134 144 201 216 268 402 432 536 603 804 1072 1206 1608 1809 2412 3216 3618 4824 5113 7236 9648 10226 14472 15339 20452 28944 30678 40904 46017 61356 81808 92034 122712 138051 184068 245424 276102 342571 368136 552204 685142 736272 1027713 1104408 1370284 2055426 2208816 2740568 3083139 4110852 5481136 6166278 8221704 9249417 12332556 16443408 18498834 24665112 36997668 49330224 73995336 147990672