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152553440 = 25513711033
BaseRepresentation
bin10010001011111…
…00011111100000
3101122001111222102
421011330133200
5303023202230
623045425532
73531453134
oct1105743740
9348044872
10152553440
1179126726
124310b2a8
13257b4210
14163913c4
15d5d6045
hex917c7e0

152553440 has 96 divisors (see below), whose sum is σ = 393978816. Its totient is φ = 55480320.

The previous prime is 152553437. The next prime is 152553463. The reversal of 152553440 is 44355251.

152553440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 147164 + ... + 148196.

It is an arithmetic number, because the mean of its divisors is an integer number (4103946).

Almost surely, 2152553440 is an apocalyptic number.

152553440 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 152553440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196989408).

152553440 is an abundant number, since it is smaller than the sum of its proper divisors (241425376).

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

152553440 is a wasteful number, since it uses less digits than its factorization.

152553440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132 (or 1124 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 152553440 is about 12351.2525680596. The cubic root of 152553440 is about 534.3272645936.

The spelling of 152553440 in words is "one hundred fifty-two million, five hundred fifty-three thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 13 16 20 26 32 40 52 65 71 80 104 130 142 160 208 260 284 355 416 520 568 710 923 1033 1040 1136 1420 1846 2066 2080 2272 2840 3692 4132 4615 5165 5680 7384 8264 9230 10330 11360 13429 14768 16528 18460 20660 26858 29536 33056 36920 41320 53716 67145 73343 73840 82640 107432 134290 146686 147680 165280 214864 268580 293372 366715 429728 537160 586744 733430 953459 1074320 1173488 1466860 1906918 2148640 2346976 2933720 3813836 4767295 5867440 7627672 9534590 11734880 15255344 19069180 30510688 38138360 76276720 152553440