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228053136 = 24361711097
BaseRepresentation
bin11011001011111…
…01000010010000
3120220010022002110
431211331002100
5431340200021
634343545320
75436263643
oct1545750220
9526108073
10228053136
11107803773
126445b240
133832a0ac
1422405a5a
151504b476
hexd97d090

228053136 has 80 divisors (see below), whose sum is σ = 607782528. Its totient is φ = 73651200.

The previous prime is 228053099. The next prime is 228053149. The reversal of 228053136 is 631350822.

It is a fibodiv number, since the Fibonacci-like sequence with seeds 2280 and 53136 contains 228053136 itself.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 207340 + ... + 208436.

Almost surely, 2228053136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228053136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303891264).

228053136 is an abundant number, since it is smaller than the sum of its proper divisors (379729392).

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

228053136 is a wasteful number, since it uses less digits than its factorization.

228053136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240 (or 1234 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 228053136 is about 15101.4282768220. The cubic root of 228053136 is about 610.9589289183.

The spelling of 228053136 in words is "two hundred twenty-eight million, fifty-three thousand, one hundred thirty-six".

Divisors: 1 2 3 4 6 8 12 16 24 48 61 71 122 142 183 213 244 284 366 426 488 568 732 852 976 1097 1136 1464 1704 2194 2928 3291 3408 4331 4388 6582 8662 8776 12993 13164 17324 17552 25986 26328 34648 51972 52656 66917 69296 77887 103944 133834 155774 200751 207888 233661 267668 311548 401502 467322 535336 623096 803004 934644 1070672 1246192 1606008 1869288 3212016 3738576 4751107 9502214 14253321 19004428 28506642 38008856 57013284 76017712 114026568 228053136