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16157701 = 73172163
BaseRepresentation
bin111101101000…
…110000000101
31010101220012101
4331220300011
513114021301
61334152101
7254224000
oct75506005
933356171
1016157701
11913657a
1254b2631
133469591
142208537
151642701
hexf68c05

16157701 has 24 divisors (see below), whose sum is σ = 20139200. Its totient is φ = 12954816.

The previous prime is 16157699. The next prime is 16157711. The reversal of 16157701 is 10775161.

It is not a de Polignac number, because 16157701 - 21 = 16157699 is a prime.

It is a super-2 number, since 2×161577012 = 522142603210802, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16157701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16157711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99046 + ... + 99208.

Almost surely, 216157701 is an apocalyptic number.

It is an amenable number.

16157701 is a deficient number, since it is larger than the sum of its proper divisors (3981499).

16157701 is an equidigital number, since it uses as much as digits as its factorization.

16157701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 28.

The square root of 16157701 is about 4019.6642894650. The cubic root of 16157701 is about 252.8093832057.

It can be divided in two parts, 1615 and 7701, that added together give a triangular number (9316 = T136).

The spelling of 16157701 in words is "sixteen million, one hundred fifty-seven thousand, seven hundred one".

Divisors: 1 7 17 49 119 163 289 343 833 1141 2023 2771 5831 7987 14161 19397 47107 55909 99127 135779 329749 950453 2308243 16157701