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193490492 = 22135370207
BaseRepresentation
bin10111000100001…
…10111000111100
3111111002100001112
423202012320330
5344013143432
631111101152
74536433136
oct1342067074
9444070045
10193490492
119a2472a8
12549717b8
1331118420
141b9aa056
1511ec07b2
hexb886e3c

193490492 has 24 divisors (see below), whose sum is σ = 371540736. Its totient is φ = 87617088.

The previous prime is 193490483. The next prime is 193490503. The reversal of 193490492 is 294094391.

193490492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 32348 + ... + 37859.

It is an arithmetic number, because the mean of its divisors is an integer number (15480864).

Almost surely, 2193490492 is an apocalyptic number.

It is an amenable number.

193490492 is a deficient number, since it is larger than the sum of its proper divisors (178050244).

193490492 is a wasteful number, since it uses less digits than its factorization.

193490492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70277 (or 70275 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 193490492 is about 13910.0859810427. The cubic root of 193490492 is about 578.3888022347.

The spelling of 193490492 in words is "one hundred ninety-three million, four hundred ninety thousand, four hundred ninety-two".

Divisors: 1 2 4 13 26 52 53 106 212 689 1378 2756 70207 140414 280828 912691 1825382 3650764 3720971 7441942 14883884 48372623 96745246 193490492