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216341450 = 252132329499
BaseRepresentation
bin11001110010100…
…01101111001010
3120002002021200022
430321101233022
5420340411300
633244540442
75234605043
oct1471215712
9502067608
10216341450
11101134596
1260551722
1335a893c0
1420a378ca
1513ed6285
hexce51bca

216341450 has 96 divisors (see below), whose sum is σ = 468720000. Its totient is φ = 73624320.

The previous prime is 216341431. The next prime is 216341453. The reversal of 216341450 is 54143612.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (216341453) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 433301 + ... + 433799.

It is an arithmetic number, because the mean of its divisors is an integer number (4882500).

Almost surely, 2216341450 is an apocalyptic number.

216341450 is an abundant number, since it is smaller than the sum of its proper divisors (252378550).

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

216341450 is a wasteful number, since it uses less digits than its factorization.

216341450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576 (or 571 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 216341450 is about 14708.5502344725. The cubic root of 216341450 is about 600.3159909610.

The spelling of 216341450 in words is "two hundred sixteen million, three hundred forty-one thousand, four hundred fifty".

Divisors: 1 2 5 10 13 23 25 26 29 46 50 58 65 115 130 145 230 290 299 325 377 499 575 598 650 667 725 754 998 1150 1334 1450 1495 1885 2495 2990 3335 3770 4990 6487 6670 7475 8671 9425 11477 12475 12974 14471 14950 16675 17342 18850 22954 24950 28942 32435 33350 43355 57385 64870 72355 86710 114770 144710 149201 162175 188123 216775 286925 298402 324350 332833 361775 376246 433550 573850 665666 723550 746005 940615 1492010 1664165 1881230 3328330 3730025 4326829 4703075 7460050 8320825 8653658 9406150 16641650 21634145 43268290 108170725 216341450