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193100992 = 267431029
BaseRepresentation
bin10111000001001…
…11110011000000
3111110100112202121
423200213303000
5343413212432
631054454024
74533221440
oct1340476300
9443315677
10193100992
119a0006a7
1254804314
1331010056
141b908120
1511e45197
hexb827cc0

193100992 has 28 divisors (see below), whose sum is σ = 437926480. Its totient is φ = 82757376.

The previous prime is 193100983. The next prime is 193101091. The reversal of 193100992 is 299001391.

It is a tau number, because it is divible by the number of its divisors (28).

It is a super-2 number, since 2×1931009922 = 74575986222768128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215067 + ... + 215962.

Almost surely, 2193100992 is an apocalyptic number.

It is an amenable number.

193100992 is an abundant number, since it is smaller than the sum of its proper divisors (244825488).

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

193100992 is an equidigital number, since it uses as much as digits as its factorization.

193100992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431048 (or 431038 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 34.

The square root of 193100992 is about 13896.0782956919. The cubic root of 193100992 is about 578.0004390110. Note that the first 3 decimals are identical.

The spelling of 193100992 in words is "one hundred ninety-three million, one hundred thousand, nine hundred ninety-two".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 224 448 431029 862058 1724116 3017203 3448232 6034406 6896464 12068812 13792928 24137624 27585856 48275248 96550496 193100992