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16155030 = 2352931599
BaseRepresentation
bin111101101000…
…000110010110
31010101202112110
4331220012112
513113430110
61334131450
7254213133
oct75500626
933352473
1016155030
119134571
1254b0b86
1334682b8
14220758a
151641a20
hexf68196

16155030 has 64 divisors (see below), whose sum is σ = 41472000. Its totient is φ = 4018560.

The previous prime is 16155023. The next prime is 16155031. The reversal of 16155030 is 3055161.

It is a happy number.

16155030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 16154988 and 16155006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16155031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26671 + ... + 27269.

It is an arithmetic number, because the mean of its divisors is an integer number (648000).

Almost surely, 216155030 is an apocalyptic number.

16155030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16155030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20736000).

16155030 is an abundant number, since it is smaller than the sum of its proper divisors (25316970).

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

16155030 is a wasteful number, since it uses less digits than its factorization.

16155030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 16155030 is about 4019.3320340574. The cubic root of 16155030 is about 252.7954519524.

The spelling of 16155030 in words is "sixteen million, one hundred fifty-five thousand, thirty".

Divisors: 1 2 3 5 6 10 15 29 30 31 58 62 87 93 145 155 174 186 290 310 435 465 599 870 899 930 1198 1797 1798 2697 2995 3594 4495 5394 5990 8985 8990 13485 17371 17970 18569 26970 34742 37138 52113 55707 86855 92845 104226 111414 173710 185690 260565 278535 521130 538501 557070 1077002 1615503 2692505 3231006 5385010 8077515 16155030