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190849872 = 24331312703
BaseRepresentation
bin10110110000000…
…10001101010000
3111022010011210210
423120002031100
5342324143442
630534324120
74505124423
oct1330021520
9438104723
10190849872
1198803374
1253ab9640
1330702525
141b4bd9ba
1511b4d19c
hexb602350

190849872 has 40 divisors (see below), whose sum is σ = 494642944. Its totient is φ = 63408384.

The previous prime is 190849831. The next prime is 190849913. The reversal of 190849872 is 278948091.

It is an interprime number because it is at equal distance from previous prime (190849831) and next prime (190849913).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 8673 + ... + 21375.

Almost surely, 2190849872 is an apocalyptic number.

190849872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

190849872 is an abundant number, since it is smaller than the sum of its proper divisors (303793072).

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

190849872 is a wasteful number, since it uses less digits than its factorization.

190849872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13027 (or 13021 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 48.

The square root of 190849872 is about 13814.8424529562. The cubic root of 190849872 is about 575.7455956002.

The spelling of 190849872 in words is "one hundred ninety million, eight hundred forty-nine thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 313 626 939 1252 1878 2504 3756 5008 7512 12703 15024 25406 38109 50812 76218 101624 152436 203248 304872 609744 3976039 7952078 11928117 15904156 23856234 31808312 47712468 63616624 95424936 190849872