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2149371952 = 247131476217
BaseRepresentation
bin1000000000011100…
…1101000000110000
312112210102102000121
42000013031000300
513400214400302
6553140300024
7104156234350
oct20007150060
95483372017
102149371952
11a0329aa62
124bb9a1614
132833b6430
1416565cb60
15c8a6ae37
hex801cd030

2149371952 has 40 divisors (see below), whose sum is σ = 5125428896. Its totient is φ = 850300416.

The previous prime is 2149371937. The next prime is 2149371977. The reversal of 2149371952 is 2591739412.

It is a junction number, because it is equal to n+sod(n) for n = 2149371899 and 2149371908.

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, 736653 + ... + 739564.

Almost surely, 22149371952 is an apocalyptic number.

It is an amenable number.

2149371952 is an abundant number, since it is smaller than the sum of its proper divisors (2976056944).

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

2149371952 is a wasteful number, since it uses less digits than its factorization.

2149371952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476245 (or 1476239 counting only the distinct ones).

The product of its digits is 136080, while the sum is 43.

The square root of 2149371952 is about 46361.3195670701. The cubic root of 2149371952 is about 1290.5371942891.

The spelling of 2149371952 in words is "two billion, one hundred forty-nine million, three hundred seventy-one thousand, nine hundred fifty-two".

Divisors: 1 2 4 7 8 13 14 16 26 28 52 56 91 104 112 182 208 364 728 1456 1476217 2952434 5904868 10333519 11809736 19190821 20667038 23619472 38381642 41334076 76763284 82668152 134335747 153526568 165336304 268671494 307053136 537342988 1074685976 2149371952