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2231451032 = 23278931379
BaseRepresentation
bin1000010100000001…
…0011110110011000
312202111212110100112
42011000103312120
514032222413112
61005231423452
7106204010066
oct20500236630
95674773315
102231451032
11a45661208
12523384b88
132973c3c35
14172507036
15d0d80a22
hex85013d98

2231451032 has 8 divisors (see below), whose sum is σ = 4183970700. Its totient is φ = 1115725512.

The previous prime is 2231451031. The next prime is 2231451041. The reversal of 2231451032 is 2301541322.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×22314510323 (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2231450989 and 2231451007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231451031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139465682 + ... + 139465697.

Almost surely, 22231451032 is an apocalyptic number.

It is an amenable number.

2231451032 is a deficient number, since it is larger than the sum of its proper divisors (1952519668).

2231451032 is a wasteful number, since it uses less digits than its factorization.

2231451032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278931385 (or 278931381 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2231451032 is about 47238.2369696414. The cubic root of 2231451032 is about 1306.7598638348.

Adding to 2231451032 its reverse (2301541322), we get a palindrome (4532992354).

The spelling of 2231451032 in words is "two billion, two hundred thirty-one million, four hundred fifty-one thousand, thirty-two".

Divisors: 1 2 4 8 278931379 557862758 1115725516 2231451032