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152305664 = 218783
BaseRepresentation
bin10010001010000…
…00000000000000
3101121120221002112
421011000000000
5302442240124
623040234452
73526401560
oct1105000000
9347527075
10152305664
1178a77555
124300ba28
13257284c4
1416328da0
15d58790e
hex9140000

152305664 has 76 divisors (see below), whose sum is σ = 352320864. Its totient is φ = 64487424.

The previous prime is 152305663. The next prime is 152305711. The reversal of 152305664 is 466503251.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 152305664.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152305663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1834967 + ... + 1835049.

Almost surely, 2152305664 is an apocalyptic number.

152305664 is a gapful number since it is divisible by the number (14) 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 152305664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176160432).

152305664 is an abundant number, since it is smaller than the sum of its proper divisors (200015200).

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

152305664 is an frugal number, since it uses more digits than its factorization.

152305664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 152305664 is about 12341.2180922306. The cubic root of 152305664 is about 534.0378245685.

The spelling of 152305664 in words is "one hundred fifty-two million, three hundred five thousand, six hundred sixty-four".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 83 112 128 166 224 256 332 448 512 581 664 896 1024 1162 1328 1792 2048 2324 2656 3584 4096 4648 5312 7168 8192 9296 10624 14336 16384 18592 21248 28672 32768 37184 42496 57344 65536 74368 84992 114688 131072 148736 169984 229376 262144 297472 339968 458752 594944 679936 917504 1189888 1359872 1835008 2379776 2719744 4759552 5439488 9519104 10878976 19038208 21757952 38076416 76152832 152305664