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16157070 = 235561109
BaseRepresentation
bin111101101000…
…100110001110
31010101212100000
4331220212032
513114011240
61334145130
7254222106
oct75504616
933355300
1016157070
119136056
1254b21a6
1334691c7
142208206
151642430
hexf6898e

16157070 has 96 divisors (see below), whose sum is σ = 44684640. Its totient is φ = 4199040.

The previous prime is 16157069. The next prime is 16157081. The reversal of 16157070 is 7075161.

16157070 = 1262 + 1272 + ... + 3692.

It is a super-2 number, since 2×161570702 = 522101821969800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 148176 + ... + 148284.

It is an arithmetic number, because the mean of its divisors is an integer number (465465).

Almost surely, 216157070 is an apocalyptic number.

16157070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16157070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22342320).

16157070 is an abundant number, since it is smaller than the sum of its proper divisors (28527570).

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

16157070 is a wasteful number, since it uses less digits than its factorization.

16157070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 27.

The square root of 16157070 is about 4019.5857995570. The cubic root of 16157070 is about 252.8060922095.

The spelling of 16157070 in words is "sixteen million, one hundred fifty-seven thousand, seventy".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 61 81 90 109 122 135 162 183 218 243 270 305 327 366 405 486 545 549 610 654 810 915 981 1090 1098 1215 1635 1647 1830 1962 2430 2745 2943 3270 3294 4905 4941 5490 5886 6649 8235 8829 9810 9882 13298 14715 14823 16470 17658 19947 24705 26487 29430 29646 33245 39894 44145 49410 52974 59841 66490 74115 88290 99735 119682 132435 148230 179523 199470 264870 299205 359046 538569 598410 897615 1077138 1615707 1795230 2692845 3231414 5385690 8078535 16157070