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152520432 = 24353167359
BaseRepresentation
bin10010001011101…
…00011011110000
3101121222211200220
421011310123300
5303021123212
623045013040
73531254661
oct1105643360
9347884626
10152520432
1179103949
12430b4180
13257a219c
1416383368
15d5cb38c
hex91746f0

152520432 has 80 divisors (see below), whose sum is σ = 404974080. Its totient is φ = 49444096.

The previous prime is 152520427. The next prime is 152520437. The reversal of 152520432 is 234025251.

It is an interprime number because it is at equal distance from previous prime (152520427) and next prime (152520437).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152520437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 424669 + ... + 425027.

It is an arithmetic number, because the mean of its divisors is an integer number (5062176).

Almost surely, 2152520432 is an apocalyptic number.

152520432 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 152520432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202487040).

152520432 is an abundant number, since it is smaller than the sum of its proper divisors (252453648).

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

152520432 is a wasteful number, since it uses less digits than its factorization.

152520432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590 (or 584 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 152520432 is about 12349.9162750198. The cubic root of 152520432 is about 534.2887243362.

Adding to 152520432 its reverse (234025251), we get a palindrome (386545683).

The spelling of 152520432 in words is "one hundred fifty-two million, five hundred twenty thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 53 106 159 167 212 318 334 359 424 501 636 668 718 848 1002 1077 1272 1336 1436 2004 2154 2544 2672 2872 4008 4308 5744 8016 8616 8851 17232 17702 19027 26553 35404 38054 53106 57081 59953 70808 76108 106212 114162 119906 141616 152216 179859 212424 228324 239812 304432 359718 424848 456648 479624 719436 913296 959248 1438872 2877744 3177509 6355018 9532527 12710036 19065054 25420072 38130108 50840144 76260216 152520432