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126628272 = 243532569
BaseRepresentation
bin1111000110000…
…11000110110000
322211021101100000
413203003012300
5224404101042
620322030000
73065215431
oct743030660
9284241300
10126628272
1165529771
12364a8300
1320307b94
1412b63488
15b1b474c
hex78c31b0

126628272 has 60 divisors (see below), whose sum is σ = 367519880. Its totient is φ = 42208128.

The previous prime is 126628267. The next prime is 126628283. The reversal of 126628272 is 272826621.

126628272 is a `hidden beast` number, since 1 + 2 + 6 + 628 + 27 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12397 + ... + 20172.

Almost surely, 2126628272 is an apocalyptic number.

126628272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

126628272 is an abundant number, since it is smaller than the sum of its proper divisors (240891608).

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

126628272 is an equidigital number, since it uses as much as digits as its factorization.

126628272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32592 (or 32574 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 126628272 is about 11252.9228203165. The cubic root of 126628272 is about 502.1616702289.

The spelling of 126628272 in words is "one hundred twenty-six million, six hundred twenty-eight thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 81 108 144 162 216 243 324 432 486 648 972 1296 1944 3888 32569 65138 97707 130276 195414 260552 293121 390828 521104 586242 781656 879363 1172484 1563312 1758726 2344968 2638089 3517452 4689936 5276178 7034904 7914267 10552356 14069808 15828534 21104712 31657068 42209424 63314136 126628272