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126885630 = 2354229521
BaseRepresentation
bin1111001000000…
…01111011111110
322211202110100210
413210001323332
5224440320010
620331333250
73100336644
oct744017376
9284673323
10126885630
1165695063
12365b1226
1320398071
1412bcd194
15b215b20
hex7901efe

126885630 has 16 divisors (see below), whose sum is σ = 304525584. Its totient is φ = 33836160.

The previous prime is 126885589. The next prime is 126885653. The reversal of 126885630 is 36588621.

It is a happy 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, 2114731 + ... + 2114790.

It is an arithmetic number, because the mean of its divisors is an integer number (19032849).

Almost surely, 2126885630 is an apocalyptic number.

126885630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126885630 is an abundant number, since it is smaller than the sum of its proper divisors (177639954).

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

126885630 is a wasteful number, since it uses less digits than its factorization.

126885630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4229531.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 126885630 is about 11264.3521784433. The cubic root of 126885630 is about 502.5016360928.

The spelling of 126885630 in words is "one hundred twenty-six million, eight hundred eighty-five thousand, six hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 4229521 8459042 12688563 21147605 25377126 42295210 63442815 126885630