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1898207052 = 2237155314551
BaseRepresentation
bin111000100100100…
…0101011101001100
311220021210220112220
41301021011131030
512341420111202
6512205055340
765016331230
oct16111053514
94807726486
101898207052
11894541065
1244b857550
13243356751
1414015c5c0
15b19a6abc
hex7124574c

1898207052 has 48 divisors (see below), whose sum is σ = 5065492992. Its totient is φ = 541958400.

The previous prime is 1898207039. The next prime is 1898207107. The reversal of 1898207052 is 2507028981.

It is a hoax number, since the sum of its digits (42) 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 (42).

It is a junction number, because it is equal to n+sod(n) for n = 1898206995 and 1898207013.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123177 + ... + 137727.

It is an arithmetic number, because the mean of its divisors is an integer number (105531104).

Almost surely, 21898207052 is an apocalyptic number.

1898207052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1898207052 is an abundant number, since it is smaller than the sum of its proper divisors (3167285940).

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

1898207052 is a wasteful number, since it uses less digits than its factorization.

1898207052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16118 (or 16116 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 1898207052 is about 43568.4180571202. The cubic root of 1898207052 is about 1238.1726144131.

The spelling of 1898207052 in words is "one billion, eight hundred ninety-eight million, two hundred seven thousand, fifty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 1553 3106 4659 6212 9318 10871 14551 18636 21742 29102 32613 43484 43653 58204 65226 87306 101857 130452 174612 203714 305571 407428 611142 1222284 22597703 45195406 67793109 90390812 135586218 158183921 271172436 316367842 474551763 632735684 949103526 1898207052