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156798828 = 22341632969
BaseRepresentation
bin10010101100010…
…00111101101100
3101221001012120000
421112020331230
5310120030303
623320424300
73612524304
oct1126107554
9357035500
10156798828
118056630a
1244618090
132663c694
1416b78604
15db73da3
hex9588f6c

156798828 has 60 divisors (see below), whose sum is σ = 412556760. Its totient is φ = 51928128.

The previous prime is 156798823. The next prime is 156798833. The reversal of 156798828 is 828897651.

156798828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (156798823) and next prime (156798833).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (156798821) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 51328 + ... + 54296.

It is an arithmetic number, because the mean of its divisors is an integer number (6875946).

Almost surely, 2156798828 is an apocalyptic number.

156798828 is a gapful number since it is divisible by the number (18) 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 156798828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206278380).

156798828 is an abundant number, since it is smaller than the sum of its proper divisors (255757932).

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

156798828 is a wasteful number, since it uses less digits than its factorization.

156798828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3148 (or 3137 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 54.

The square root of 156798828 is about 12521.9338762030. The cubic root of 156798828 is about 539.2385564374.

The spelling of 156798828 in words is "one hundred fifty-six million, seven hundred ninety-eight thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 163 324 326 489 652 978 1467 1956 2934 2969 4401 5868 5938 8802 8907 11876 13203 17604 17814 26406 26721 35628 52812 53442 80163 106884 160326 240489 320652 480978 483947 961956 967894 1451841 1935788 2903682 4355523 5807364 8711046 13066569 17422092 26133138 39199707 52266276 78399414 156798828