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2251824940 = 225197956893
BaseRepresentation
bin1000011000111000…
…0001111100101100
312210221012120002201
42012032001330230
514102431344230
61011240231244
7106542124201
oct20616017454
95727176081
102251824940
11a56107452
1252a16b524
1329b6a85c1
141750cbca8
15d2a575ca
hex86381f2c

2251824940 has 24 divisors (see below), whose sum is σ = 4731305040. Its totient is φ = 900259008.

The previous prime is 2251824937. The next prime is 2251824983. The reversal of 2251824940 is 494281522.

It is a self number, because there is not a number n which added to its sum of digits gives 2251824940.

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, 11134 + ... + 68026.

It is an arithmetic number, because the mean of its divisors is an integer number (197137710).

Almost surely, 22251824940 is an apocalyptic number.

2251824940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2251824940 is an abundant number, since it is smaller than the sum of its proper divisors (2479480100).

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

2251824940 is a wasteful number, since it uses less digits than its factorization.

2251824940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58881 (or 58879 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 2251824940 is about 47453.3975601326. The cubic root of 2251824940 is about 1310.7248751286.

The spelling of 2251824940 in words is "two billion, two hundred fifty-one million, eight hundred twenty-four thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 1979 3958 7916 9895 19790 39580 56893 113786 227572 284465 568930 1137860 112591247 225182494 450364988 562956235 1125912470 2251824940