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1995994470 = 23573911413
BaseRepresentation
bin111011011111000…
…0111010101100110
312011002211000200010
41312332013111212
513041433310340
6530021031050
7100314446601
oct16676072546
95132730603
101995994470
11934761208
12478555486
1325a6a4122
1414d135338
15ba370b80
hex76f87566

1995994470 has 32 divisors (see below), whose sum is σ = 4856013792. Its totient is φ = 524973312.

The previous prime is 1995994447. The next prime is 1995994493. The reversal of 1995994470 is 744995991.

It is an interprime number because it is at equal distance from previous prime (1995994447) and next prime (1995994493).

It is a self number, because there is not a number n which added to its sum of digits gives 1995994470.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 453517 + ... + 457896.

It is an arithmetic number, because the mean of its divisors is an integer number (151750431).

Almost surely, 21995994470 is an apocalyptic number.

1995994470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1995994470 is an abundant number, since it is smaller than the sum of its proper divisors (2860019322).

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

1995994470 is a wasteful number, since it uses less digits than its factorization.

1995994470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911496.

The product of its (nonzero) digits is 3674160, while the sum is 57.

The square root of 1995994470 is about 44676.5539181347. The cubic root of 1995994470 is about 1259.0793791612.

The spelling of 1995994470 in words is "one billion, nine hundred ninety-five million, nine hundred ninety-four thousand, four hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 73 146 219 365 438 730 1095 2190 911413 1822826 2734239 4557065 5468478 9114130 13671195 27342390 66533149 133066298 199599447 332665745 399198894 665331490 997997235 1995994470