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152421412 = 221113436197
BaseRepresentation
bin10010001010111…
…00010000100100
3101121210210212111
421011130100210
5303004441122
623042530404
73530363203
oct1105342044
9347723774
10152421412
1179046510
1243066a04
13257690b0
141635923a
15d5abd77
hex915c424

152421412 has 48 divisors (see below), whose sum is σ = 320709312. Its totient is φ = 62455680.

The previous prime is 152421407. The next prime is 152421431. The reversal of 152421412 is 214124251.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 21498 + ... + 27694.

It is an arithmetic number, because the mean of its divisors is an integer number (6681444).

Almost surely, 2152421412 is an apocalyptic number.

It is an amenable number.

152421412 is an abundant number, since it is smaller than the sum of its proper divisors (168287900).

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

152421412 is a wasteful number, since it uses less digits than its factorization.

152421412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6268 (or 6266 counting only the distinct ones).

The product of its digits is 640, while the sum is 22.

The square root of 152421412 is about 12345.9066900734. The cubic root of 152421412 is about 534.1730748632.

Adding to 152421412 its reverse (214124251), we get a palindrome (366545663).

The spelling of 152421412 in words is "one hundred fifty-two million, four hundred twenty-one thousand, four hundred twelve".

Divisors: 1 2 4 11 13 22 26 43 44 52 86 143 172 286 473 559 572 946 1118 1892 2236 6149 6197 12298 12394 24596 24788 68167 80561 136334 161122 266471 272668 322244 532942 886171 1065884 1772342 2931181 3464123 3544684 5862362 6928246 11724724 13856492 38105353 76210706 152421412