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2122401232 = 24719997369
BaseRepresentation
bin111111010000001…
…0100010111010000
312110220200011011001
41332200110113100
513321313314412
6550334231344
7103411053460
oct17640242720
95426604131
102122401232
1199a049506
124b2955554
1327a932223
14161c3bba0
15c64de957
hex7e8145d0

2122401232 has 40 divisors (see below), whose sum is σ = 4946955200. Its totient is φ = 861725952.

The previous prime is 2122401167. The next prime is 2122401247. The reversal of 2122401232 is 2321042212.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 496557 + ... + 500812.

It is an arithmetic number, because the mean of its divisors is an integer number (123673880).

Almost surely, 22122401232 is an apocalyptic number.

It is an amenable number.

2122401232 is an abundant number, since it is smaller than the sum of its proper divisors (2824553968).

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

2122401232 is a wasteful number, since it uses less digits than its factorization.

2122401232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997403 (or 997397 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2122401232 is about 46069.5260665877. The cubic root of 2122401232 is about 1285.1164902191.

Adding to 2122401232 its reverse (2321042212), we get a palindrome (4443443444).

The spelling of 2122401232 in words is "two billion, one hundred twenty-two million, four hundred one thousand, two hundred thirty-two".

Divisors: 1 2 4 7 8 14 16 19 28 38 56 76 112 133 152 266 304 532 1064 2128 997369 1994738 3989476 6981583 7978952 13963166 15957904 18950011 27926332 37900022 55852664 75800044 111705328 132650077 151600088 265300154 303200176 530600308 1061200616 2122401232