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147129312 = 25311197333
BaseRepresentation
bin10001100010100…
…00001111100000
3101020211221110210
420301100033200
5300131114222
622333254120
73434402301
oct1061201740
9336757423
10147129312
1176061480
1241334340
1324635385
141577c7a8
15cdb3d0c
hex8c503e0

147129312 has 96 divisors (see below), whose sum is σ = 443560320. Its totient is φ = 42232320.

The previous prime is 147129287. The next prime is 147129313. The reversal of 147129312 is 213921741.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 147129312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147129313) 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, 16398 + ... + 23730.

It is an arithmetic number, because the mean of its divisors is an integer number (4620420).

Almost surely, 2147129312 is an apocalyptic number.

147129312 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 147129312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221780160).

147129312 is an abundant number, since it is smaller than the sum of its proper divisors (296431008).

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

147129312 is a wasteful number, since it uses less digits than its factorization.

147129312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7376 (or 7368 counting only the distinct ones).

The product of its digits is 3024, while the sum is 30.

The square root of 147129312 is about 12129.6872177315. The cubic root of 147129312 is about 527.9179165328.

The spelling of 147129312 in words is "one hundred forty-seven million, one hundred twenty-nine thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 11 12 16 19 22 24 32 33 38 44 48 57 66 76 88 96 114 132 152 176 209 228 264 304 352 418 456 528 608 627 836 912 1056 1254 1672 1824 2508 3344 5016 6688 7333 10032 14666 20064 21999 29332 43998 58664 80663 87996 117328 139327 161326 175992 234656 241989 278654 322652 351984 417981 483978 557308 645304 703968 835962 967956 1114616 1290608 1532597 1671924 1935912 2229232 2581216 3065194 3343848 3871824 4458464 4597791 6130388 6687696 7743648 9195582 12260776 13375392 18391164 24521552 36782328 49043104 73564656 147129312