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980420045 = 5112192672
BaseRepresentation
bin111010011100000…
…000010111001101
32112022211111110112
4322130000113031
54001441420140
6241141445405
733203301323
oct7234002715
92468744415
10980420045
11463470100
12234410865
13128173007
14942d1d13
155b114c65
hex3a7005cd

980420045 has 54 divisors (see below), whose sum is σ = 1385501166. Its totient is φ = 665422560.

The previous prime is 980420033. The next prime is 980420059. The reversal of 980420045 is 540024089.

It can be written as a sum of positive squares in only one way, i.e., 784336036 + 196084009 = 28006^2 + 14003^2 .

It is not a de Polignac number, because 980420045 - 28 = 980419789 is a prime.

It is a super-2 number, since 2×9804200452 = 1922446929275604050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 980419993 and 980420020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 14633102 + ... + 14633168.

It is an arithmetic number, because the mean of its divisors is an integer number (25657429).

Almost surely, 2980420045 is an apocalyptic number.

980420045 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

980420045 is a deficient number, since it is larger than the sum of its proper divisors (405081121).

980420045 is a wasteful number, since it uses less digits than its factorization.

980420045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 980420045 is about 31311.6598889296. The cubic root of 980420045 is about 993.4302816532.

Multiplying 980420045 by its product of nonzero digits (11520), we get a square (11294438918400 = 33607202).

The spelling of 980420045 in words is "nine hundred eighty million, four hundred twenty thousand, forty-five".

Divisors: 1 5 11 19 55 67 95 121 209 335 361 605 737 1045 1273 1805 2299 3685 3971 4489 6365 8107 11495 14003 19855 22445 24187 40535 43681 49379 70015 85291 120935 154033 218405 246895 266057 426455 543169 770165 938201 1330285 1620529 2715845 2926627 4691005 8102645 10320211 14633135 17825819 51601055 89129095 196084009 980420045