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168798949 = 1147326497
BaseRepresentation
bin10100000111110…
…10101011100101
3102202121212121221
422003322223211
5321203031244
624425540341
74116524134
oct1203725345
9382555557
10168798949
1187312170
12486446b1
1328c81747
14185bd91b
15ec44784
hexa0faae5

168798949 has 8 divisors (see below), whose sum is σ = 188062848. Its totient is φ = 150188160.

The previous prime is 168798943. The next prime is 168798953. The reversal of 168798949 is 949897861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 168798949 - 29 = 168798437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168798943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162732 + ... + 163765.

It is an arithmetic number, because the mean of its divisors is an integer number (23507856).

Almost surely, 2168798949 is an apocalyptic number.

It is an amenable number.

168798949 is a deficient number, since it is larger than the sum of its proper divisors (19263899).

168798949 is a wasteful number, since it uses less digits than its factorization.

168798949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326555.

The product of its digits is 7838208, while the sum is 61.

The square root of 168798949 is about 12992.2649680493. The cubic root of 168798949 is about 552.6581506404.

The spelling of 168798949 in words is "one hundred sixty-eight million, seven hundred ninety-eight thousand, nine hundred forty-nine".

Divisors: 1 11 47 517 326497 3591467 15345359 168798949