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190464792 = 23374912309
BaseRepresentation
bin10110101101001…
…00001100011000
3111021101121120120
423112210030120
5342224333132
630522153240
74501631640
oct1326441430
9437347516
10190464792
1198570021
1253952820
13305c917b
141b41d520
1511ac402c
hexb5a4318

190464792 has 64 divisors (see below), whose sum is σ = 545529600. Its totient is φ = 54284160.

The previous prime is 190464767. The next prime is 190464793. The reversal of 190464792 is 297464091.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190464793) 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, 81334 + ... + 83642.

It is an arithmetic number, because the mean of its divisors is an integer number (8523900).

Almost surely, 2190464792 is an apocalyptic number.

190464792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

190464792 is an abundant number, since it is smaller than the sum of its proper divisors (355064808).

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

190464792 is a wasteful number, since it uses less digits than its factorization.

190464792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2816 (or 2812 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 190464792 is about 13800.8982316370. The cubic root of 190464792 is about 575.3581053470.

The spelling of 190464792 in words is "one hundred ninety million, four hundred sixty-four thousand, seven hundred ninety-two".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 491 982 1473 1964 2309 2946 3437 3928 4618 5892 6874 6927 9236 10311 11784 13748 13854 16163 18472 20622 27496 27708 32326 41244 48489 55416 64652 82488 96978 129304 193956 387912 1133719 2267438 3401157 4534876 6802314 7936033 9069752 13604628 15872066 23808099 27209256 31744132 47616198 63488264 95232396 190464792