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155326080 = 27357213127
BaseRepresentation
bin10010100001000…
…01011010000000
3101211021101022210
421100201122000
5304230413310
623225102120
73564151500
oct1120413200
9354241283
10155326080
117a74a868
1244027940
1326245230
14168b3a00
15d982820
hex9421680

155326080 has 384 divisors, whose sum is σ = 625121280. Its totient is φ = 32514048.

The previous prime is 155326063. The next prime is 155326097. The reversal of 155326080 is 80623551.

It is an interprime number because it is at equal distance from previous prime (155326063) and next prime (155326097).

It is a tau number, because it is divible by the number of its divisors (384).

It is a super-2 number, since 2×1553260802 = 48252382256332800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1222977 + ... + 1223103.

It is an arithmetic number, because the mean of its divisors is an integer number (1627920).

Almost surely, 2155326080 is an apocalyptic number.

155326080 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 155326080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312560640).

155326080 is an abundant number, since it is smaller than the sum of its proper divisors (469795200).

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

155326080 is a wasteful number, since it uses less digits than its factorization.

155326080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 155326080 is about 12462.9884056754. The cubic root of 155326080 is about 537.5449596428.

It can be divided in two parts, 15532 and 6080, that added together give a palindrome (21612).

The spelling of 155326080 in words is "one hundred fifty-five million, three hundred twenty-six thousand, eighty".