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151421412 = 223192922901
BaseRepresentation
bin10010000011010…
…00000111100100
3101112221000010110
421001220013210
5302230441122
623005253020
73516026562
oct1101500744
9345830113
10151421412
117852316a
1242864170
13254a8b8c
1416178a32
15d46090c
hex90681e4

151421412 has 48 divisors (see below), whose sum is σ = 384753600. Its totient is φ = 46166400.

The previous prime is 151421411. The next prime is 151421419. The reversal of 151421412 is 214124151.

It is not an unprimeable number, because it can be changed into a prime (151421411) 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, 4839 + ... + 18062.

It is an arithmetic number, because the mean of its divisors is an integer number (8015700).

Almost surely, 2151421412 is an apocalyptic number.

151421412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

151421412 is an abundant number, since it is smaller than the sum of its proper divisors (233332188).

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

151421412 is a wasteful number, since it uses less digits than its factorization.

151421412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22956 (or 22954 counting only the distinct ones).

The product of its digits is 320, while the sum is 21.

The square root of 151421412 is about 12305.3407917050. The cubic root of 151421412 is about 533.0023173388.

Adding to 151421412 its reverse (214124151), we get a palindrome (365545563).

The spelling of 151421412 in words is "one hundred fifty-one million, four hundred twenty-one thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 19 29 38 57 58 76 87 114 116 174 228 348 551 1102 1653 2204 3306 6612 22901 45802 68703 91604 137406 274812 435119 664129 870238 1305357 1328258 1740476 1992387 2610714 2656516 3984774 5221428 7969548 12618451 25236902 37855353 50473804 75710706 151421412