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189317496 = 23331793221
BaseRepresentation
bin10110100100011…
…00000101111000
3111012020022210010
423102030011320
5341431124441
630441421520
74456113024
oct1322140570
9435208703
10189317496
1197957045
125349a8a0
13302b6bb4
141b201384
1511949116
hexb48c178

189317496 has 64 divisors (see below), whose sum is σ = 494899200. Its totient is φ = 60278400.

The previous prime is 189317483. The next prime is 189317509. The reversal of 189317496 is 694713981.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (189317483) and next prime (189317509).

It is a super-2 number, since 2×1893174962 = 71682228583420032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57166 + ... + 60386.

It is an arithmetic number, because the mean of its divisors is an integer number (7732800).

Almost surely, 2189317496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189317496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247449600).

189317496 is an abundant number, since it is smaller than the sum of its proper divisors (305581704).

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

189317496 is a wasteful number, since it uses less digits than its factorization.

189317496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3340 (or 3336 counting only the distinct ones).

The product of its digits is 326592, while the sum is 48.

The square root of 189317496 is about 13759.2694573513. The cubic root of 189317496 is about 574.2005232056.

The spelling of 189317496 in words is "one hundred eighty-nine million, three hundred seventeen thousand, four hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 24 31 62 79 93 124 158 186 237 248 316 372 474 632 744 948 1896 2449 3221 4898 6442 7347 9663 9796 12884 14694 19326 19592 25768 29388 38652 58776 77304 99851 199702 254459 299553 399404 508918 599106 763377 798808 1017836 1198212 1526754 2035672 2396424 3053508 6107016 7888229 15776458 23664687 31552916 47329374 63105832 94658748 189317496