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15220152 = 23321371543
BaseRepresentation
bin111010000011…
…110110111000
31001122021010100
4322003312320
512344021102
61302115400
7243240423
oct72036670
931567110
1015220152
118656142
12511bb60
1331cb90c
1420429ba
151509a1c
hexe83db8

15220152 has 48 divisors (see below), whose sum is σ = 41549040. Its totient is φ = 5033088.

The previous prime is 15220141. The next prime is 15220187. The reversal of 15220152 is 25102251.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 9093 + ... + 10635.

It is an arithmetic number, because the mean of its divisors is an integer number (865605).

Almost surely, 215220152 is an apocalyptic number.

15220152 is a gapful number since it is divisible by the number (12) 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 15220152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20774520).

15220152 is an abundant number, since it is smaller than the sum of its proper divisors (26328888).

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

15220152 is a wasteful number, since it uses less digits than its factorization.

15220152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1692 (or 1685 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 15220152 is about 3901.3013213542. The cubic root of 15220152 is about 247.8218891095.

The spelling of 15220152 in words is "fifteen million, two hundred twenty thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 137 274 411 548 822 1096 1233 1543 1644 2466 3086 3288 4629 4932 6172 9258 9864 12344 13887 18516 27774 37032 55548 111096 211391 422782 634173 845564 1268346 1691128 1902519 2536692 3805038 5073384 7610076 15220152