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151241990 = 2519976001
BaseRepresentation
bin10010000001111…
…00010100000110
3101112120220000012
421000330110012
5302204220430
623001350222
73514351514
oct1100742406
9345526005
10151241990
1178410389
1242798372
1325445303
141612d4b4
15d427695
hex903c506

151241990 has 16 divisors (see below), whose sum is σ = 273607200. Its totient is φ = 60192000.

The previous prime is 151241953. The next prime is 151242001. The reversal of 151241990 is 99142151.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36011 + ... + 39990.

It is an arithmetic number, because the mean of its divisors is an integer number (17100450).

Almost surely, 2151241990 is an apocalyptic number.

151241990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

151241990 is a deficient number, since it is larger than the sum of its proper divisors (122365210).

151241990 is a wasteful number, since it uses less digits than its factorization.

151241990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76207.

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 151241990 is about 12298.0482191281. The cubic root of 151241990 is about 532.7917127364.

The spelling of 151241990 in words is "one hundred fifty-one million, two hundred forty-one thousand, nine hundred ninety".

Divisors: 1 2 5 10 199 398 995 1990 76001 152002 380005 760010 15124199 30248398 75620995 151241990