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151664560 = 2455033769
BaseRepresentation
bin10010000101000…
…11011110110000
3101120101100122221
421002203132300
5302311231220
623014410424
73521061505
oct1102433660
9346340587
10151664560
1178679913
1242960a14
1325562758
14161dd4ac
15d4ac9aa
hex90a37b0

151664560 has 40 divisors (see below), whose sum is σ = 353414880. Its totient is φ = 60529152.

The previous prime is 151664537. The next prime is 151664561. The reversal of 151664560 is 65466151.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (151664561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38356 + ... + 42124.

It is an arithmetic number, because the mean of its divisors is an integer number (8835372).

Almost surely, 2151664560 is an apocalyptic number.

151664560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151664560 is an abundant number, since it is smaller than the sum of its proper divisors (201750320).

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

151664560 is a wasteful number, since it uses less digits than its factorization.

151664560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4285 (or 4279 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 151664560 is about 12315.2166038604. The cubic root of 151664560 is about 533.2874578596.

The spelling of 151664560 in words is "one hundred fifty-one million, six hundred sixty-four thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 503 1006 2012 2515 3769 4024 5030 7538 8048 10060 15076 18845 20120 30152 37690 40240 60304 75380 150760 301520 1895807 3791614 7583228 9479035 15166456 18958070 30332912 37916140 75832280 151664560