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200470242 = 23731791949
BaseRepresentation
bin10111111001011…
…10111011100010
3111222012221110210
423330232323202
5402310021432
631520434550
74652653230
oct1374567342
9458187423
10200470242
11a3184295
1257178a56
13326c035b
141c8a5950
15128ed8cc
hexbf2eee2

200470242 has 64 divisors (see below), whose sum is σ = 479232000. Its totient is φ = 54699840.

The previous prime is 200470241. The next prime is 200470253. The reversal of 200470242 is 242074002.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (200470241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101884 + ... + 103832.

It is an arithmetic number, because the mean of its divisors is an integer number (7488000).

Almost surely, 2200470242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200470242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239616000).

200470242 is an abundant number, since it is smaller than the sum of its proper divisors (278761758).

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

200470242 is a wasteful number, since it uses less digits than its factorization.

200470242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2071.

The product of its (nonzero) digits is 896, while the sum is 21.

The square root of 200470242 is about 14158.7514280038. The cubic root of 200470242 is about 585.2615208826.

The spelling of 200470242 in words is "two hundred million, four hundred seventy thousand, two hundred forty-two".

Divisors: 1 2 3 6 7 14 21 31 42 62 79 93 158 186 217 237 434 474 553 651 1106 1302 1659 1949 2449 3318 3898 4898 5847 7347 11694 13643 14694 17143 27286 34286 40929 51429 60419 81858 102858 120838 153971 181257 307942 362514 422933 461913 845866 923826 1077797 1268799 2155594 2537598 3233391 4773101 6466782 9546202 14319303 28638606 33411707 66823414 100235121 200470242