Search a number
-
+
400232948 = 221915533391
BaseRepresentation
bin10111110110110…
…001000111110100
31000220002221101112
4113312301013310
51304424423243
6103414214152
712626631623
oct2766610764
91026087345
10400232948
11195a14a35
12b2054358
1364bc363b
143b2256ba
152520c818
hex17db11f4

400232948 has 24 divisors (see below), whose sum is σ = 737963520. Its totient is φ = 189406080.

The previous prime is 400232947. The next prime is 400232957. The reversal of 400232948 is 849232004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400232941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116333 + ... + 119723.

It is an arithmetic number, because the mean of its divisors is an integer number (30748480).

Almost surely, 2400232948 is an apocalyptic number.

It is an amenable number.

400232948 is a deficient number, since it is larger than the sum of its proper divisors (337730572).

400232948 is a wasteful number, since it uses less digits than its factorization.

400232948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4967 (or 4965 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 400232948 is about 20005.8228523598. The cubic root of 400232948 is about 736.9493032663.

The spelling of 400232948 in words is "four hundred million, two hundred thirty-two thousand, nine hundred forty-eight".

Divisors: 1 2 4 19 38 76 1553 3106 3391 6212 6782 13564 29507 59014 64429 118028 128858 257716 5266223 10532446 21064892 100058237 200116474 400232948