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151228400 = 2452378071
BaseRepresentation
bin10010000001110…
…00111111110000
3101112120012100212
421000320333300
5302203302100
623001203252
73514264061
oct1100707760
9345505325
10151228400
1178401154
1242790528
132543c07b
1416128568
15d423635
hex9038ff0

151228400 has 30 divisors (see below), whose sum is σ = 363327192. Its totient is φ = 60491200.

The previous prime is 151228397. The next prime is 151228403. The reversal of 151228400 is 4822151.

It is an interprime number because it is at equal distance from previous prime (151228397) and next prime (151228403).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151228403) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 188636 + ... + 189435.

Almost surely, 2151228400 is an apocalyptic number.

151228400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151228400 is an abundant number, since it is smaller than the sum of its proper divisors (212098792).

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

151228400 is a wasteful number, since it uses less digits than its factorization.

151228400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378089 (or 378078 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 151228400 is about 12297.4956800155. The cubic root of 151228400 is about 532.7757540813.

The spelling of 151228400 in words is "one hundred fifty-one million, two hundred twenty-eight thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 378071 756142 1512284 1890355 3024568 3780710 6049136 7561420 9451775 15122840 18903550 30245680 37807100 75614200 151228400