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152052440 = 23519593391
BaseRepresentation
bin10010001000000…
…10001011011000
3101121010001201212
421010002023120
5302411134230
623031002252
73524265401
oct1104021330
9347101655
10152052440
1178914281
1242b09388
132566a177
14162a09a8
15d537895
hex91022d8

152052440 has 64 divisors (see below), whose sum is σ = 366336000. Its totient is φ = 56626560.

The previous prime is 152052361. The next prime is 152052469. The reversal of 152052440 is 44250251.

It is a happy number.

It is a congruent number.

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, 43145 + ... + 46535.

It is an arithmetic number, because the mean of its divisors is an integer number (5724000).

Almost surely, 2152052440 is an apocalyptic number.

152052440 is a gapful number since it is divisible by the number (10) 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 152052440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183168000).

152052440 is an abundant number, since it is smaller than the sum of its proper divisors (214283560).

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

152052440 is a wasteful number, since it uses less digits than its factorization.

152052440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3480 (or 3476 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 152052440 is about 12330.9545453708. The cubic root of 152052440 is about 533.7416959257.

The spelling of 152052440 in words is "one hundred fifty-two million, fifty-two thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 19 20 38 40 59 76 95 118 152 190 236 295 380 472 590 760 1121 1180 2242 2360 3391 4484 5605 6782 8968 11210 13564 16955 22420 27128 33910 44840 64429 67820 128858 135640 200069 257716 322145 400138 515432 644290 800276 1000345 1288580 1600552 2000690 2577160 3801311 4001380 7602622 8002760 15205244 19006555 30410488 38013110 76026220 152052440