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2428157072 = 241146129927
BaseRepresentation
bin1001000010111010…
…1011110010010000
320021020000011022102
42100232223302100
514433102011242
61040535455532
7114112665065
oct22056536220
96236004272
102428157072
1110366a4390
125792275a8
132c9096b43
141906acc6c
15e3288e32
hex90babc90

2428157072 has 40 divisors (see below), whose sum is σ = 5143545792. Its totient is φ = 1101276800.

The previous prime is 2428157051. The next prime is 2428157077. The reversal of 2428157072 is 2707518242.

It is a super-2 number, since 2×24281570722 = 11791893532607226368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2428157077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66173 + ... + 96099.

Almost surely, 22428157072 is an apocalyptic number.

2428157072 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2428157072 is an abundant number, since it is smaller than the sum of its proper divisors (2715388720).

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

2428157072 is a wasteful number, since it uses less digits than its factorization.

2428157072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30407 (or 30401 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 38.

The square root of 2428157072 is about 49276.3337921968. Note that the first 3 decimals coincide. The cubic root of 2428157072 is about 1344.0814653237.

The spelling of 2428157072 in words is "two billion, four hundred twenty-eight million, one hundred fifty-seven thousand, seventy-two".

Divisors: 1 2 4 8 11 16 22 44 88 176 461 922 1844 3688 5071 7376 10142 20284 29927 40568 59854 81136 119708 239416 329197 478832 658394 1316788 2633576 5267152 13796347 27592694 55185388 110370776 151759817 220741552 303519634 607039268 1214078536 2428157072