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228368701 = 11171221223
BaseRepresentation
bin11011001110010…
…10000100111101
3120220201022222001
431213022010331
5431430244301
634354422301
75442046651
oct1547120475
9526638861
10228368701
111079a9870
1264591991
133840a912
1422488a61
15150aec01
hexd9ca13d

228368701 has 8 divisors (see below), whose sum is σ = 263784384. Its totient is φ = 195395520.

The previous prime is 228368683. The next prime is 228368713. The reversal of 228368701 is 107863822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 228368701 - 25 = 228368669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228368801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 610425 + ... + 610798.

It is an arithmetic number, because the mean of its divisors is an integer number (32973048).

Almost surely, 2228368701 is an apocalyptic number.

It is an amenable number.

228368701 is a deficient number, since it is larger than the sum of its proper divisors (35415683).

228368701 is a wasteful number, since it uses less digits than its factorization.

228368701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221251.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 228368701 is about 15111.8728488563. The cubic root of 228368701 is about 611.2406006949.

The spelling of 228368701 in words is "two hundred twenty-eight million, three hundred sixty-eight thousand, seven hundred one".

Divisors: 1 11 17 187 1221223 13433453 20760791 228368701