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1151400620 = 225536117807
BaseRepresentation
bin100010010100000…
…1111101010101100
32222020120012201102
41010220033222230
54324224304440
6310130302232
740350513056
oct10450175254
92866505642
101151400620
11540a32367
12281727978
13154709756
14accbc8d6
156b13ab15
hex44a0faac

1151400620 has 48 divisors (see below), whose sum is σ = 2504089728. Its totient is φ = 444437760.

The previous prime is 1151400617. The next prime is 1151400623. The reversal of 1151400620 is 260041511.

It is an interprime number because it is at equal distance from previous prime (1151400617) and next prime (1151400623).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1151400592 and 1151400601.

It is not an unprimeable number, because it can be changed into a prime (1151400623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55757 + ... + 73563.

It is an arithmetic number, because the mean of its divisors is an integer number (52168536).

Almost surely, 21151400620 is an apocalyptic number.

1151400620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1151400620 is an abundant number, since it is smaller than the sum of its proper divisors (1352689108).

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

1151400620 is a wasteful number, since it uses less digits than its factorization.

1151400620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17930 (or 17928 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1151400620 is about 33932.2946468405. The cubic root of 1151400620 is about 1048.1147182755.

The spelling of 1151400620 in words is "one billion, one hundred fifty-one million, four hundred thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 53 61 106 122 212 244 265 305 530 610 1060 1220 3233 6466 12932 16165 17807 32330 35614 64660 71228 89035 178070 356140 943771 1086227 1887542 2172454 3775084 4344908 4718855 5431135 9437710 10862270 18875420 21724540 57570031 115140062 230280124 287850155 575700310 1151400620