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486687072 = 25343117899
BaseRepresentation
bin11101000000100…
…100000101100000
31020220210021011010
4131000210011200
51444042441242
6120143220520
715026525514
oct3500440540
91226707133
10486687072
1122a7a4223
12116ba7740
1379aa3621
14488cc144
152cad889c
hex1d024160

486687072 has 48 divisors (see below), whose sum is σ = 1307275200. Its totient is φ = 158454912.

The previous prime is 486687053. The next prime is 486687079. The reversal of 486687072 is 270786684.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (486687079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54822 + ... + 63077.

It is an arithmetic number, because the mean of its divisors is an integer number (27234900).

Almost surely, 2486687072 is an apocalyptic number.

It is an amenable number.

486687072 is an abundant number, since it is smaller than the sum of its proper divisors (820588128).

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

486687072 is a wasteful number, since it uses less digits than its factorization.

486687072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117955 (or 117947 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 48.

The square root of 486687072 is about 22060.9852907797. The cubic root of 486687072 is about 786.5927454559.

The spelling of 486687072 in words is "four hundred eighty-six million, six hundred eighty-seven thousand, seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 43 48 86 96 129 172 258 344 516 688 1032 1376 2064 4128 117899 235798 353697 471596 707394 943192 1414788 1886384 2829576 3772768 5069657 5659152 10139314 11318304 15208971 20278628 30417942 40557256 60835884 81114512 121671768 162229024 243343536 486687072