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1996953144 = 233174894493
BaseRepresentation
bin111011100000111…
…0001011000111000
312011011121201201120
41313001301120320
513042210000034
6530053345240
7100325551554
oct16701613070
95134551646
101996953144
119352564aa
12478938220
1325a94b5a4
1414d304864
15ba4aec49
hex77071638

1996953144 has 32 divisors (see below), whose sum is σ = 5286053520. Its totient is φ = 626494976.

The previous prime is 1996953107. The next prime is 1996953151. The reversal of 1996953144 is 4413596991.

It is a Harshad number since it is a multiple of its sum of digits (51).

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, 2446839 + ... + 2447654.

Almost surely, 21996953144 is an apocalyptic number.

It is an amenable number.

1996953144 is an abundant number, since it is smaller than the sum of its proper divisors (3289100376).

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

1996953144 is a wasteful number, since it uses less digits than its factorization.

1996953144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4894519 (or 4894515 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 51.

The square root of 1996953144 is about 44687.2816805856. The cubic root of 1996953144 is about 1259.2809250550.

The spelling of 1996953144 in words is "one billion, nine hundred ninety-six million, nine hundred fifty-three thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 68 102 136 204 408 4894493 9788986 14683479 19577972 29366958 39155944 58733916 83206381 117467832 166412762 249619143 332825524 499238286 665651048 998476572 1996953144