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155014560 = 25375443
BaseRepresentation
bin10010011110101…
…01010110100000
3101210200120000000
421033111112200
5304140431220
623214300000
73561413331
oct1117252640
9353616000
10155014560
117a557808
1243ab7600
13261664bc
1416832288
15d920390
hex93d55a0

155014560 has 192 divisors, whose sum is σ = 550488960. Its totient is φ = 41243904.

The previous prime is 155014553. The next prime is 155014589. The reversal of 155014560 is 65410551.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 349699 + ... + 350141.

It is an arithmetic number, because the mean of its divisors is an integer number (2867130).

Almost surely, 2155014560 is an apocalyptic number.

155014560 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 155014560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275244480).

155014560 is an abundant number, since it is smaller than the sum of its proper divisors (395474400).

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

155014560 is an frugal number, since it uses more digits than its factorization.

155014560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 155014560 is about 12450.4843279288. The cubic root of 155014560 is about 537.1853546966.

It can be divided in two parts, 1550 and 14560, that added together give a triangular number (16110 = T179).

The spelling of 155014560 in words is "one hundred fifty-five million, fourteen thousand, five hundred sixty".