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147969192 = 23374320483
BaseRepresentation
bin10001101000111…
…01010010101000
3101022102121120110
420310131102220
5300340003232
622403254320
73444501030
oct1064352250
9338377513
10147969192
1176585498
124167a3a0
132486a747
141591a8c0
15ceccacc
hex8d1d4a8

147969192 has 64 divisors (see below), whose sum is σ = 432622080. Its totient is φ = 41291712.

The previous prime is 147969191. The next prime is 147969221. The reversal of 147969192 is 291969741.

It is a super-2 number, since 2×1479691922 = 43789763562265728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (147969191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3018 + ... + 17465.

It is an arithmetic number, because the mean of its divisors is an integer number (6759720).

Almost surely, 2147969192 is an apocalyptic number.

147969192 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 147969192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216311040).

147969192 is an abundant number, since it is smaller than the sum of its proper divisors (284652888).

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

147969192 is a wasteful number, since it uses less digits than its factorization.

147969192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20542 (or 20538 counting only the distinct ones).

The product of its digits is 244944, while the sum is 48.

The square root of 147969192 is about 12164.2587936956. The cubic root of 147969192 is about 528.9205417610.

The spelling of 147969192 in words is "one hundred forty-seven million, nine hundred sixty-nine thousand, one hundred ninety-two".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 43 56 84 86 129 168 172 258 301 344 516 602 903 1032 1204 1806 2408 3612 7224 20483 40966 61449 81932 122898 143381 163864 245796 286762 430143 491592 573524 860286 880769 1147048 1720572 1761538 2642307 3441144 3523076 5284614 6165383 7046152 10569228 12330766 18496149 21138456 24661532 36992298 49323064 73984596 147969192