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2253161730 = 235431746637
BaseRepresentation
bin1000011001001100…
…1000010100000010
312211000201110211110
42012103020110002
514103302133410
61011325024150
7106556362431
oct20623102402
95730643743
102253161730
11a5693a836
1252a6b5056
1329ba55bc1
14175359118
15d2c1d720
hex864c8502

2253161730 has 32 divisors (see below), whose sum is σ = 5533349184. Its totient is φ = 586869696.

The previous prime is 2253161707. The next prime is 2253161749. The reversal of 2253161730 is 371613522.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 872029 + ... + 874608.

It is an arithmetic number, because the mean of its divisors is an integer number (172917162).

Almost surely, 22253161730 is an apocalyptic number.

2253161730 is an abundant number, since it is smaller than the sum of its proper divisors (3280187454).

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

2253161730 is a wasteful number, since it uses less digits than its factorization.

2253161730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746690.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 2253161730 is about 47467.4807631498. The cubic root of 2253161730 is about 1310.9841932882.

The spelling of 2253161730 in words is "two billion, two hundred fifty-three million, one hundred sixty-one thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 43 86 129 215 258 430 645 1290 1746637 3493274 5239911 8733185 10479822 17466370 26199555 52399110 75105391 150210782 225316173 375526955 450632346 751053910 1126580865 2253161730