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2238738970 = 251317221069
BaseRepresentation
bin1000010101110000…
…0111001000011010
312210000120201112011
42011130013020122
514041104121340
61010051540134
7106322652526
oct20534071032
95700521464
102238738970
11a497897a6
125258ba64a
13298a76220
14173482d86
15d18200ea
hex8570721a

2238738970 has 16 divisors (see below), whose sum is σ = 4339709640. Its totient is φ = 826611264.

The previous prime is 2238738923. The next prime is 2238739001. The reversal of 2238738970 is 798378322.

It can be written as a sum of positive squares in 4 ways, for example, as 598731961 + 1640007009 = 24469^2 + 40497^2 .

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 7 ways as a sum of consecutive naturals, for example, 8610405 + ... + 8610664.

Almost surely, 22238738970 is an apocalyptic number.

2238738970 is a deficient number, since it is larger than the sum of its proper divisors (2100970670).

2238738970 is a wasteful number, since it uses less digits than its factorization.

2238738970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17221089.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The square root of 2238738970 is about 47315.3143284497. The cubic root of 2238738970 is about 1308.1809474656.

The spelling of 2238738970 in words is "two billion, two hundred thirty-eight million, seven hundred thirty-eight thousand, nine hundred seventy".

Divisors: 1 2 5 10 13 26 65 130 17221069 34442138 86105345 172210690 223873897 447747794 1119369485 2238738970