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1023104020 = 225193772767
BaseRepresentation
bin111100111110110…
…101010000010100
32122022011001212111
4330332311100110
54043403312040
6245304400404
734232145361
oct7476652024
92568131774
101023104020
11485574214
12246776104
13133c693c3
1499c43468
155ec46dea
hex3cfb5414

1023104020 has 48 divisors (see below), whose sum is σ = 2322754560. Its totient is φ = 377218944.

The previous prime is 1023103919. The next prime is 1023104051. The reversal of 1023104020 is 204013201.

It is a congruent number.

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, 22324 + ... + 50443.

It is an arithmetic number, because the mean of its divisors is an integer number (48390720).

Almost surely, 21023104020 is an apocalyptic number.

1023104020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1023104020 is an abundant number, since it is smaller than the sum of its proper divisors (1299650540).

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

1023104020 is a wasteful number, since it uses less digits than its factorization.

1023104020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72832 (or 72830 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1023104020 is about 31985.9972487962. The cubic root of 1023104020 is about 1007.6427791172.

Adding to 1023104020 its reverse (204013201), we get a palindrome (1227117221).

The spelling of 1023104020 in words is "one billion, twenty-three million, one hundred four thousand, twenty".

Divisors: 1 2 4 5 10 19 20 37 38 74 76 95 148 185 190 370 380 703 740 1406 2812 3515 7030 14060 72767 145534 291068 363835 727670 1382573 1455340 2692379 2765146 5384758 5530292 6912865 10769516 13461895 13825730 26923790 27651460 51155201 53847580 102310402 204620804 255776005 511552010 1023104020