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2274604157 = 74947357
BaseRepresentation
bin1000011110010011…
…1011010001111101
312212112001212022102
42013210323101331
514124244313112
61013412354445
7110236550000
oct20744732175
95775055272
102274604157
11a67a55851
12535915a25
132a3322a27
1417813b537
15d4a56bc2
hex8793b47d

2274604157 has 10 divisors (see below), whose sum is σ = 2653549758. Its totient is φ = 1949658648.

The previous prime is 2274604147. The next prime is 2274604187. The reversal of 2274604157 is 7514064722.

It can be written as a sum of positive squares in only one way, i.e., 2148693316 + 125910841 = 46354^2 + 11221^2 .

It is not a de Polignac number, because 2274604157 - 26 = 2274604093 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2274604157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2274604117) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 471278 + ... + 476079.

Almost surely, 22274604157 is an apocalyptic number.

It is an amenable number.

2274604157 is a deficient number, since it is larger than the sum of its proper divisors (378945601).

2274604157 is an frugal number, since it uses more digits than its factorization.

2274604157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947385 (or 947364 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 2274604157 is about 47692.8103281826. The cubic root of 2274604157 is about 1315.1297721158.

Adding to 2274604157 its reverse (7514064722), we get a palindrome (9788668879).

The spelling of 2274604157 in words is "two billion, two hundred seventy-four million, six hundred four thousand, one hundred fifty-seven".

Divisors: 1 7 49 343 2401 947357 6631499 46420493 324943451 2274604157