Search a number
-
+
972503040 = 2113531657
BaseRepresentation
bin111001111101110…
…011100000000000
32111202221021101010
4321331303200000
53442430044130
6240300040520
733046065555
oct7175634000
92452837333
10972503040
11459a52a23
12231833140
131266305b2
1493230a2c
155a59e0b0
hex39f73800

972503040 has 96 divisors (see below), whose sum is σ = 3111348240. Its totient is φ = 259325952.

The previous prime is 972503033. The next prime is 972503083. The reversal of 972503040 is 40305279.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 972502989 and 972503007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14892 + ... + 46548.

Almost surely, 2972503040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 972503040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1555674120).

972503040 is an abundant number, since it is smaller than the sum of its proper divisors (2138845200).

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

972503040 is a wasteful number, since it uses less digits than its factorization.

972503040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31687 (or 31667 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 972503040 is about 31184.9810004752. The cubic root of 972503040 is about 990.7490301237.

The spelling of 972503040 in words is "nine hundred seventy-two million, five hundred three thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 256 320 384 480 512 640 768 960 1024 1280 1536 1920 2048 2560 3072 3840 5120 6144 7680 10240 15360 30720 31657 63314 94971 126628 158285 189942 253256 316570 379884 474855 506512 633140 759768 949710 1013024 1266280 1519536 1899420 2026048 2532560 3039072 3798840 4052096 5065120 6078144 7597680 8104192 10130240 12156288 15195360 16208384 20260480 24312576 30390720 32416768 40520960 48625152 60781440 64833536 81041920 97250304 121562880 162083840 194500608 243125760 324167680 486251520 972503040