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302252130 = 23253358357
BaseRepresentation
bin10010000001000…
…000000001100010
3210001201222222100
4102001000001202
51104334032010
645554151230
710330046355
oct2201000142
9701658870
10302252130
11145682554
1285282516
134a808c1b
142c1dc29c
151b8062c0
hex12040062

302252130 has 24 divisors (see below), whose sum is σ = 785855772. Its totient is φ = 80600544.

The previous prime is 302252113. The next prime is 302252141. The reversal of 302252130 is 31252203.

It can be written as a sum of positive squares in 2 ways, for example, as 295392969 + 6859161 = 17187^2 + 2619^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 1679089 + ... + 1679268.

Almost surely, 2302252130 is an apocalyptic number.

302252130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

302252130 is an abundant number, since it is smaller than the sum of its proper divisors (483603642).

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

302252130 is a wasteful number, since it uses less digits than its factorization.

302252130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3358370 (or 3358367 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 302252130 is about 17385.3999091191. The cubic root of 302252130 is about 671.1039422964.

The spelling of 302252130 in words is "three hundred two million, two hundred fifty-two thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 3358357 6716714 10075071 16791785 20150142 30225213 33583570 50375355 60450426 100750710 151126065 302252130