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2745250038 = 232413719851
BaseRepresentation
bin1010001110100001…
…0011000011110110
321002022200011002100
42203220103003312
521110241000123
61132224122530
7125013145266
oct24350230366
97068604070
102745250038
111189692a93
12647466446
1334999ab0b
141c08517a6
15111022643
hexa3a130f6

2745250038 has 24 divisors (see below), whose sum is σ = 6093117576. Its totient is φ = 892764000.

The previous prime is 2745250021. The next prime is 2745250073. The reversal of 2745250038 is 8300525472.

2745250038 is a `hidden beast` number, since 2 + 74 + 52 + 500 + 38 = 666.

It is a super-2 number, since 2×27452500382 = 15072795542278002888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2745249984 and 2745250011.

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, 1859188 + ... + 1860663.

It is an arithmetic number, because the mean of its divisors is an integer number (253879899).

Almost surely, 22745250038 is an apocalyptic number.

2745250038 is an abundant number, since it is smaller than the sum of its proper divisors (3347867538).

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

2745250038 is a wasteful number, since it uses less digits than its factorization.

2745250038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3719900 (or 3719897 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 2745250038 is about 52395.1337244214. The cubic root of 2745250038 is about 1400.2125592225.

The spelling of 2745250038 in words is "two billion, seven hundred forty-five million, two hundred fifty thousand, thirty-eight".

Divisors: 1 2 3 6 9 18 41 82 123 246 369 738 3719851 7439702 11159553 22319106 33478659 66957318 152513891 305027782 457541673 915083346 1372625019 2745250038